1104:…the preparation that paid off for the crew was something … called cockpit resource management… Up until 1980, we kind of worked on the concept that the captain was THE authority on the aircraft. What he said, goes. And we lost a few airplanes because of that. Sometimes the captain isn't as smart as we thought he was. And we would listen to him, and do what he said, and we wouldn't know what he's talking about. And we had 103 years of flying experience there in the cockpit, trying to get that airplane on the ground, not one minute of which we had actually practiced, any one of us. So why would I know more about getting that airplane on the ground under those conditions than the other three. So if I hadn't used CRM, if we had not let everybody put their input in, it's a cinch we wouldn't have made it.
947:, deemed that training for such an event involved too many factors to be practical. While some degree of control was possible, no precision could be achieved, and a landing with these conditions was stated to be "a highly random event". Expert United and McDonnell Douglas pilots were unable to reproduce a survivable landing; according to a United pilot who flew with Fitch, "Most of the simulations never even made it close to the ground". The NTSB stated that "under the circumstances the UAL (United Airlines) flight crew performance was highly commendable and greatly exceeded reasonable expectations." At the time of the crash, McDonnell Douglas had ended production of DC-10's, with the last of these being delivered to
1536:, suffered a rupture of the pressure bulkhead in its tail section, caused by undetected damage during a faulty repair to the rear bulkhead after a tailstrike seven years earlier. Pressurized air subsequently rushed out of the bulkhead and blew off the plane's vertical stabilizer, also severing all four of its hydraulic control systems. The pilots were able to keep the plane airborne for 32 minutes using differential engine power, but without any hydraulics or the stabilizing force of the vertical stabilizer, the plane eventually crashed in mountainous terrain. There were only 4 survivors among the 524 on board. This accident is the deadliest single-aircraft accident in history.
1525:, suffered a similar failure of its tail-mounted number two engine. The shrapnel from that engine inflicted damage on all four of its hydraulic systems, which were also close together in the tail structure. Fluid was lost in three of the four systems. The fourth hydraulic system was struck by shrapnel, but not punctured. The hydraulic pressure remaining in that fourth system enabled the captain to land the plane safely with some limited use of the outboard spoilers, the inboard ailerons, and the horizontal stabilizer, plus differential engine power of the remaining two engines. There were no injuries.
652:. An alternative system is also available using a lever in the cockpit floor to cause the landing gear to fall into position. This lever has the added benefit of unlocking the outboard ailerons, which are not used in high-speed flight and are locked in a neutral position. The crew hoped that there might be some trapped hydraulic fluid in the outboard ailerons and that they might regain some use of flight controls by unlocking them. They elected to extend the gear with the alternative system. Although the gear deployed successfully, no change of the controllability of the aircraft resulted.
562: – inputs that would never be used together in normal flight – the aircraft was banking to the right with the nose dropping. Haynes attempted to level the aircraft with his own control column, then both Haynes and Records tried using their control columns together, but the aircraft still did not respond. Afraid the aircraft would roll into a completely inverted position (an unrecoverable situation), the crew reduced the left wing-mounted engine to idle and applied maximum power to the right engine. This caused the airplane to level slowly.
1514:, struck approach light structures for the reciprocal runway as it lifted off the runway at San Francisco Airport. Major damage to the belly and landing gear resulted, which caused the loss of hydraulic fluid from three of its four flight control systems. The fluid which remained in the fourth system gave the captain very limited control of some of the spoilers, ailerons, and one inboard elevator. That was sufficient to circle the plane while fuel was dumped and then to make a hard landing. There were no fatalities, but there were some injuries.
1489:
798:
699:) and it had a sink rate of 1,850 feet per minute (9.4 m/s), while a safe landing would require 140 knots (160 mph; 260 km/h) and 300 feet per minute (1.5 m/s). Moments before landing, the roll to the right suddenly worsened significantly and the aircraft began to pitch forward into a dive; Fitch realized this and pushed both throttles to full power in a desperate, last ditch attempt to level the plane. It was now 16:00. The CVR recorded these final moments:
931:
other engines were found to have defects like that of the crash disk. Prioritization and efficiency of inspections of the many engines suspected would have been aided by determination of the titanium source of the crash disk. Chemical analyses of the crash disk intended to determine its source were inconclusive. The NTSB report stated that if examined disks were not from the same source, "the records on a large number of GEAE disks are suspect. It also means that any AD (
877:
fatigue crack originating from a previously undetected metallurgical defect located in a critical area of the stage 1 fan disk that was manufactured by
General Electric Aircraft Engines. The subsequent catastrophic disintegration of the disk resulted in the liberation of debris in a pattern of distribution and with energy levels that exceeded the level of protection provided by design features of the hydraulic systems that operate the DC-10's flight controls.
851:
roughly adjust altitude. The crew guided the crippled jet to Sioux
Gateway Airport and aligned it for landing on one of the runways. Without the use of flaps and slats, they were unable to slow for landing, and were forced to attempt landing at a very high ground speed. The aircraft also landed at an extremely high rate of descent because of the inability to flare (reduce the rate of descent before touchdown by increasing
656:
was easier) with the intention of aligning with Runway 31. When they finished they were instead aligned with the closed 6,888-foot (2,099 m) Runway 22, and had little capacity to maneuver. Fire trucks had been placed on Runway 22, anticipating a landing on nearby Runway 31, so all the vehicles were quickly moved out of the way before the airplane touched down. Runway 22 had been closed permanently a year earlier.
648:
failure left the landing gear lowering mechanism inoperative. Two options were available to the flight crew. The DC-10 is designed so that if hydraulic pressure to the landing gear is lost, the gear will fall down slightly and rest on the landing gear doors. Placing the regular landing gear handle in the down position will unlock the doors mechanically, and the doors and landing gear will then fall down into place and
5524:
5583:
40:
464:
759:
5571:
3003:
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927:
records indicate that this RMI titanium billet was first cut in 1972 and that all forgings made from this material were for airframe parts. If the Alcoa records were accurate, the RMI titanium could not have been used to manufacture the crash disk, indicating that the initially rejected TIMET disk with "an unsatisfactory ultrasonic indication" was the crash disk.
855:). As a result upon touchdown, the aircraft broke apart, rolled over, and caught fire. The largest section came to rest in a cornfield next to the runway. Despite the ferocity of the accident, 184 (62.2%) passengers and crew survived owing to a variety of factors including the relatively controlled manner of the crash and the early notification of emergency services.
543:
864:
456:
444:
898:, a sausage-like form about 16 inches in diameter, and tested using ultrasound to look for defects. Defects were located and the ingot was processed further to remove them, but some nitrogen contamination remained. GE later added a third vacuum-forming stage because of their investigation into failing rotating titanium engine parts.
822:
386:
one hydraulic system must have fluid present and the ability to hold fluid pressure to control the aircraft. Like other widebody transport aircraft of the time, the DC-10 was not designed to revert to unassisted manual control in the event of total hydraulic failure. The DC-10's hydraulic system was designed and demonstrated to the
1013:
total loss of pressure from the number-one and the number-two hydraulic systems. The number-three system was dented but not penetrated. NTSB then recommended that FAA "Require adequate protection of DC-10 hydraulic system components in the wing area from tire fragments" by better shielding or adding fuses in this area.
746:
landing gear and engine nacelles and breaking the fuselage into several main pieces. At final impact, the right wing was torn off and the main part of the aircraft skidded sideways, rolled over onto its back, and slid to a stop upside-down in a corn field to the right of Runway 22. Witnesses reported that the aircraft "
930:
CF6 engines like the one containing the crash disk were used to power many civilian and military aircraft at the time of the crash. Due to concerns that the accident could recur, a large number of in-service disks were examined by ultrasound for indications of defects. The fan disks on at least two
881:
Post-crash analysis of the crack surfaces showed the presence of a penetrating fluorescent dye used to detect cracks during maintenance. The presence of the dye indicated that the crack was present and should have been detected at a prior inspection. The detection failure arose from poor attention to
876:
The
National Transportation Safety Board determines that the probable cause of this accident was the inadequate consideration given to human factors limitations in the inspection and quality control procedures used by United Airlines' engine overhaul facility which resulted in the failure to detect a
833:
The NTSB determined that the probable cause of this accident was the inadequate consideration given to human factors, and limitations of the inspection and quality control procedures used by United
Airlines' engine overhaul facility. These resulted in the failure to detect a fatigue crack originating
766:
Of the 296 people aboard, 112 died in the accident. Most were killed by injuries sustained during the multiple impacts, but 35 people in the middle fuselage section directly above the fuel tanks died from smoke inhalation in the post-crash fire. Of those, 24 had no traumatic blunt-force injuries. The
745:
The engines were not able to respond to Fitch's controls in time to stop the roll, and the airplane struck the ground with its right wing, spilling fuel which ignited immediately. The tail section broke off from the force of the impact, and the rest of the aircraft bounced several times, shedding the
590:
Haynes asked Fitch to observe the ailerons through the passenger cabin windows to see if control inputs were having any effect. Fitch reported back that the ailerons were not moving at all. Nonetheless, the crew continued to manipulate their control columns for the remainder of the flight, hoping for
1066:
in 1978. CRM, while still considering the captain as final authority, instructs crew members to speak up when they detect a problem, and instructs captains to listen to crew concerns. United
Airlines instituted a CRM class during the early 1980s. The NTSB later credited this training as valuable for
1012:
Losing all three hydraulic systems remained possible if serious damage occurs elsewhere, as nearly happened to a cargo DC-10-40F in April 2002 during takeoff in San
Salvador when a main-gear tire exploded after running over a lost thrust reverser cascade. The extensive damage in the left wing caused
909:
The origins of the crash disk are uncertain because of significant irregularities and gaps, noted in the NTSB report, in the manufacturing records of GE Aircraft
Engines (GEAE) and its suppliers. Records found after the accident indicated that two rough-machined forgings having the serial number of
570:
were inoperative. The flight crew deployed the DC-10's air-driven generator in an attempt to restore hydraulic power by powering the auxiliary hydraulic pumps, but this was unsuccessful. The crew contacted United
Airlines maintenance personnel via radio, but were told that the possibility of a total
533:
disengaged. As First
Officer Records took hold of his control column, Captain Haynes concentrated on the tail engine, the instruments for which indicated it was malfunctioning; he found its throttle and fuel supply controls jammed. At Dvorak's suggestion, a valve for fuel to the tail engine was shut
1599:
to control the crippled aircraft, but on the final approach, the trim controlling links burned and the crew completely lost control over the aircraft. Soon after, it crashed on the outskirts of Warsaw; all 183 on board died. Had the plane stayed airborne for 40 seconds more, it would have been able
926:
titanium billet supplied by Alcoa. Research of GE's records showed no other titanium parts were manufactured at GE from this RMI titanium billet during the period of 1969 to 1990. GE records indicate that final finishing and inspection of the crash disk were completed on
December 11, 1971. Alcoa
655:
Landing was originally planned for 9,000-foot (2,700 m) Runway 31. Difficulties in controlling the aircraft made alignment with the runway almost impossible. While dumping some of the excess fuel, the airplane executed a series of mostly right-hand turns (turning the airplane in this direction
385:
could provide emergency electrical power for electrically powered auxiliary pumps. These systems were designed to be redundant, such that if two hydraulic systems were inoperable, the one remaining hydraulic system would still permit the full operation and control of the airplane. However, at least
918:
titanium forgings for one disk with the serial number of the crash disk. Some records show that this disk "was rejected for an unsatisfactory ultrasonic indication", that an outside laboratory performed an ultrasound inspection of this disk, that this disk was subsequently returned to GE, and that
829:
The rear engine's fan disk and blade assembly – about 8 ft (2.4 m) across – could not be located at the accident scene despite an extensive search. The engine's manufacturer, General Electric, offered rewards of $ 50,000 for the disk and $ 1,000 for each fan
1583:
when the crew experienced troubles with a gear indicator. When thrust was applied, the low-pressure turbine disc in engine number 2 disintegrated because of material fatigue; parts of the disc damaged engines number 1 and 3 and severed control pushers for both horizontal and vertical stabilizers.
1025:
on its "List of Most Wanted Safety Improvements" in May 1999 suggesting a requirement for children younger than two years old to be restrained safely, which was removed in November 2006. The accident began a campaign directed by United Flight 232's senior flight attendant, Jan Brown Lohr, for all
901:
The contamination caused what is known as a hard alpha inclusion, where a contaminant particle in a metal alloy causes the metal around it to become brittle. The brittle titanium around the impurity then cracked during forging and fell out during final machining, leaving a cavity with microscopic
846:
hydraulic systems aboard the aircraft, which rapidly lost their hydraulic fluid. The subsequent catastrophic disintegration of the disk resulted in the liberation of debris in a pattern of distribution and with energy levels that exceeded the level of protection provided by design features of the
431:
aboard Flight 232 as a passenger, was hired by United in 1968. He estimated that, prior to working for United, he had accrued at least 1,400 hours of flight time with the Air National Guard, with a total flight time around 23,000 hours. His total DC-10 time with United was 2,987 hours, including
1551:
shortly after departing from Irkutsk Airport, Russia. Damage to the starter caused a fire in engine number two (located in the rear fuselage). High temperatures during the fire destroyed the tanks and pipes of all three hydraulic systems. The crew lost control of the aircraft. The out-of-control
1496:
The Flight 232 Memorial was built along the Missouri River in Sioux City, Iowa, to commemorate the heroism of the flight crew and the rescue efforts the Sioux City community undertook after the crash. It features a statue of Iowa National Guard Lt. Col. Dennis Nielsen from a news photo that was
889:
crack in the disk. Titanium reacts with air when melted, which creates impurities that can initiate fatigue cracks like that found in the crash disk. To prevent this, the ingot that would become the fan disk was formed using a "double vacuum" process: the raw materials were melted together in a
659:
ATC also advised that a four-lane Interstate highway ran north and south just east of the airport, which they could land on if they did not think they could make the runway. Captain Haynes replied that they were passing over the interstate at that time and they would try for the runway instead.
647:
As the crew began to prepare for arrival at Sioux Gateway Airport, they questioned whether they should deploy the landing gear or belly-land the aircraft with the gear retracted. They decided that having the landing gear down would provide some shock absorption on impact. The complete hydraulic
850:
Despite these losses, the crew was able to attain and then maintain limited control by using the throttles to adjust thrust from the remaining wing-mounted engines. By using each engine independently, the crew made rough steering adjustments, and by using the engines together they were able to
1505:
The odds against all three hydraulic systems failing simultaneously had previously been calculated as low as a billion to one. Yet such calculations assume that multiple failures must have independent causes, an unrealistic assumption, and similar flight control failures have indeed occurred:
996:
to isolate a punctured section and prevent a total loss of hydraulic fluid. After the United 232 accident, such fuses were installed in the number three hydraulic system in the area below the number two engine on all DC-10 aircraft to ensure sufficient control capability remained if all three
830:
blade. Three months after the crash, a farmer discovered most of the fan disk, with several blades still attached, in her cornfield, thereby qualifying her for a reward, as a General Electric lawyer confirmed. The rest of the fan disk and most of the additional blades were later found nearby.
871:
The investigation, while praising the actions of the flight crew for saving lives, later identified the cause of the accident as a failure by United Airlines maintenance processes and personnel to detect an existing fatigue crack. The Probable Cause in the report by the NTSB read as follows:
750:" end-over-end, but the investigation did not confirm this. The reports were due to misinterpretation of the video of the crash that showed the flaming right wing tumbling end-over-end and the intact left wing, still attached to the fuselage, rolling up and over as the fuselage flipped over.
975:
The manufacturing process for titanium was changed to eliminate the type of gaseous anomaly that served as the starting point for the crack. Newer batches of titanium use much higher melting temperatures and a "triple vacuum" process in an attempt to eliminate such impurities (triple melt
2635:
358:(registration N1819U), was delivered in 1971 and owned by United Airlines since then. Before departure on the flight from Denver on July 19, 1989, the airplane had been operated for a total of 43,401 hours and 16,997 cycles (takeoff-landing pairs). The airplane was powered by three
793:
The passengers who died for reasons other than smoke inhalation were seated in rows 1–4, 24–25, and 28–38. Passengers who died because of smoke inhalation were seated in rows 14, 16, and 22–30. The person assigned to seat 20H moved to an unknown seat and died of smoke inhalation.
1029:
The argument against requiring seats on aircraft for children younger than age two is the higher cost to a family of having to buy a seat for the child, and this higher cost will motivate more families to drive instead of fly, and incur the much greater risk of driving (see
4401:
958:
aircraft. Early attempts to add the ability to real airplanes were not very successful; the software was based on experiments performed in flight simulators where jet engines are usually modeled as "perfect" devices with exactly the same thrust on each engine, a
808:
Fifty-two children, including four "lap children" without their own seats, were aboard the flight because of a United Airlines promotion for "Children's Day". Eleven children, including one lap child, died. Many of the children were traveling alone.
591:
at least some effect. Haynes then asked Fitch to take control of the throttles so that Haynes could concentrate on his control column. With one throttle in each hand, Fitch was able to mitigate the phugoid cycle and make rough steering adjustments.
565:
While Haynes and Records performed the engine shutdown checklist for the failed engine, Dvorak observed that the gauges for fluid pressure and quantity in all three hydraulic systems were indicating zero. The loss of all hydraulic fluid meant that
2632:
4394:
1595:, causing the shaft to break in two; this caused the low-pressure turbine disc to spin to enormous speeds and disintegrate, damaging engine number 1 and cutting the control pushers. The crew managed to return to Warsaw, using nothing but
1119:
in 1972, the relatively shallow angle of descent likely played a large part in the relatively high survival rate. The National Transportation Safety Board concluded that under the circumstances, "a safe landing was virtually impossible".
5648:
1037:
Though it is no longer on the "most wanted" list, providing aircraft restraints for children younger than age two is still recommended practice by the NTSB and FAA, though it is not required by the FAA as of May 2016. The NTSB asked the
1651:
4387:
1563:, Iraq. The missile struck the port-side wing, rupturing a fuel tank and causing the loss of all three hydraulic systems. With the flight controls disabled, the crew used differential thrust to execute a safe landing at Baghdad.
812:
Rescuers did not identify the debris that was the remains of the cockpit, with the four crew members alive inside, until 35 minutes after the crash. All four recovered from their injuries and eventually returned to flight duty.
1054:(CRM). For much of aviation's history, the captain was considered the final authority, and crews were expected to respect the captain's expertise without question. This began to change during the 1970s, especially after the
332:. Of the 296 passengers and crew on board, 112 died during the accident, while 184 people survived. Thirteen of the passengers were uninjured. It was the deadliest single-aircraft accident in the history of United Airlines.
587:, was among the passengers and volunteered to assist. The message was relayed by senior flight attendant Jan Brown Lohr to the flight crew, who invited Fitch into the cockpit; he arrived and began assisting at about 15:29.
578:
cycle – characteristic of planes in which control surface command is lost. With each iteration of the cycle, the aircraft lost about 1,500 feet (460 m) of altitude. Fitch, an experienced United Airlines
5638:
5618:
5603:
2029:
664:
5653:
419:
Dudley J. Dvorak, 51, was hired by United Airlines in 1986. He estimated that he had about 15,000 hours of total flying time. While working for United, he had accumulated 1,903 hours as a flight engineer in the
5623:
3988:
3756:
1640:
raised. The pilots claimed they intentionally landed with the landing gear up, though the CVR recording revealed no discussion about this. Everyone on board the flight survived. 74 people were injured, none
3110:
919:
this disk should have been scrapped. The FAA report stated, "There is no record of warranty claim by GEAE for defective material and no record of any credit for GEAE processed by Alcoa or TIMET".
2549:
997:
hydraulic system lines should be damaged in the tail area. Although elevator and rudder control would be lost, the aircrew would still be able to control the aircraft's pitch (up and down) with
954:
Because this type of aircraft control (with loss of control surfaces) is difficult for humans to achieve, some researchers have attempted to integrate this control ability into the computers of
2361:
1980:
3288:
3942:
518:
resulted in the engine's fan disk departing the aircraft, tearing out components including parts of the No. 2 hydraulic system and supply hoses in the process; these were later found near
1082:
The accident occurred as a shift change was occurring at both a regional trauma center and a regional burn center in Sioux City, allowing for more medical personnel to treat the injured;
1689:, it classified this passenger as a survivor with "serious" injuries. The regulation legally defines "fatal injury" as an injury resulting in death within 30 days after the accident.
3981:
1034:). The FAA estimates that a regulation that all children must have a seat would equate, for every one child's life saved on an aircraft, to 60 people dying in highway accidents.
3255:
1720:
Angle of descent and rate of descent are two different things. The aircraft approached at a high rate of descent but, because its forward speed was also high, a shallow angle.
1447:
by Gregory S. Clapper, a chaplain in the National Guard who relates the stories of some of the survivors he aided in the aftermath of the crash (1999; 2016, Wipf and Stock;
3011:
4861:
4712:
2021:
1698:
The NTSB's report describes Dvorak as Flight 232's "second officer", but notes that the term means "flight engineer" the first time "second officer" is used in its report.
2598:
5658:
5613:
4370:
4364:
3974:
5633:
390:(FAA) as compliant with regulations that "no single failure or malfunction or probable combination of failures will jeopardize the safe operation of the airplane..."
3141:
1878:
963:
between throttle setting and thrust, and instantaneous response to input. Later, computer models were updated to account for these factors, and aircraft such as the
3752:
1021:
Of the four children deemed too young to require seats of their own ("lap children"), one died from smoke inhalation. The NTSB added a safety recommendation to the
405:
Haynes' co-pilot was First Officer William R. "Bill" Records, 48. He estimated that he had approximately 20,000 hours of total flight time. He was hired first by
5643:
4462:
767:
majority of the 184 survivors were seated behind first class and ahead of the wings. Many passengers were able to walk out through the ruptures to the structure.
1556:
1075:
Of the 296 people aboard, 112 were killed and 184 survived. Haynes later identified three factors relating to the time of day that increased the survival rate:
620:
Sioux City Approach: "United Two Thirty-Two Heavy, the wind's currently three six zero at one one; three sixty at eleven. You're cleared to land on any runway."
402:, 57, was hired by United Airlines in 1956. He was highly experienced and had 29,967 hours of total flight time with United, of which 7,190 were in the DC-10.
3102:
370:(GEAE). The aircraft's No. 2 (tail-mounted) engine had accumulated 42,436 hours and 16,899 cycles of operating time immediately prior to the accident flight.
5201:
3700:
2395:
3565:
1682:
99:
4794:
4671:
4272:
4212:
4092:
2553:
2575:
2275:
2219:
1846:
639:
Haynes later noted, "We were too busy . You must maintain your composure in the airplane, or you will die. You learn that from your first day flying."
3783:
1039:
3046:
4583:
4192:
1031:
2520:
2358:
1972:
951:
during the summer of 1989. The last passenger version of the DC-10 flew in 2014, although freighter versions continued to operate until late 2022.
4565:
3399:
3278:
2788:
1552:
plane, at a speed of 275 knots, hit the ground at a dairy farm and burned. All 124 passengers and crew, as well as a dairyman on the ground, died.
3939:
3921:
3335:
2654:
2621:
TITANIUM CLEANLINESS: ... (Sioux City crash) As a consequence, triple melt VAR was adopted by the industry asa premium (rotor) grade requirement
1949:
339:. A majority of those aboard survived; experienced test pilots in simulators were unable to reproduce a survivable landing. It has been termed "
5148:
4854:
4724:
4577:
2890:
5373:
2498:
1711:, all times in this article are provided in Central Daylight Time, consistent with local time for the crash site in Iowa and the NTSB report.
1466:
1452:
1424:
935:) action that is based on the serial number of a disk could fail to have its intended effect because suspect disks could remain in service."
2854:
5111:
3857:
3369:
3042:
1918:
1842:
805:
One crash survivor died one month after the accident; he was classified according to NTSB regulations as a survivor with serious injuries.
4379:
3673:
3647:
3621:
3595:
2916:"How Swift Starting Action Teams Get off the Ground: What United Flight 232 and Airline Flight Crews Can Tell Us About Team Communication"
5453:
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3886:
Siouxland Chamber Of Commerce: Remembering Flight 232 (Picture of memorial depicting Lt. Colonel Dennis Nielsen carrying Spencer Bailey)
1835:
Aircraft Accident Report, United Airlines Flight 232, McDonnell Douglas DC-10-10, Sioux Gateway Airport, Sioux City, Iowa, July 19, 1989
3888:
2704:
1680:
This figure includes one passenger who died 31 days after the accident. The NTSB explained in its final report that in accordance with
1303:
explained in detail the events of the crash through passenger Jerry Schemmel, flight attendant Jan Brown Lohr, and pilot Alfred Haynes.
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497:
309:
221:
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1362:
by Laurence Gonzales. Surviving crew members attended the play in April 2016, and the production was subsequently nominated for six
1108:
When Haynes died in August 2019, United Airlines issued a statement thanking him for "his exceptional efforts aboard Flight UA232".
631:
A more serious remark often quoted from Haynes was made when ATC asked the crew to make a left turn to keep them clear of the city:
485:
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resulted in high-speed metal fragments being hurled from the engine; these fragments penetrated the hydraulic lines of all three
1567:
The disintegration of a turbine disc, leading to loss of control, was a direct cause of two major aircraft disasters in Poland:
894:, allowed to cool and solidify, then melted in a vacuum once more. After the double vacuum process, the ingot was shaped into a
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5410:
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489:
477:
387:
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207:
193:
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4162:
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1438:
2465:
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hydraulic systems that operate the DC-10's flight controls; the flight crew lost its ability to operate nearly all of them.
3133:
2642:"All the fan disks manufactured after January 1972 were made in accordance with the new triple-melt material requirements".
797:
4706:
4694:
3551:
3512:
3473:
2090:
1871:
1636:, Russia. Due to a failure to follow standard operating procedures, the plane was forced to land in a corn field with the
1560:
1392:
1363:
77:
5549:
3429:
2316:
2160:
503:
At 15:16, while the airplane was making a slight right turn at its cruising altitude of 37,000 feet (11,000 m), the
4965:
4747:
4688:
4571:
4518:
4439:
3902:
1351:
1112:
838:-alloy stage-1 fan disk that was manufactured by General Electric Aircraft Engines. The uncontained manner in which the
3897:
1325:(made into a film in 2013) dramatically reenacted the incident using transcripts from the cockpit voice recorder (CVR).
902:
cracks at the edges. For the next 18 years, the crack grew slightly each time the engine was powered up and brought to
687:, the crew was unable to control either airspeed or sink rate. At final approach, the aircraft's forward speed was 220
5330:
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5264:
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3697:"Russian Plane With 234 People On Board Crash-lands in Cornfield After Birds Fly Into Engine Causing Fire, 23 Injured"
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3191:
1522:
1248:
1213:), titled "Impossible Landing". The episode featured interviews with survivors and showed actual footage of the crash.
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675:
Fitch continued to control the aircraft's descent by adjusting engine thrust. With the loss of all hydraulics, the
667:
The airplane landed askew, causing an explosion and fire seen in this still from video taken by local news station
410:
139:
73:
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2002:
1097:"Had any of those things not been there," Haynes said, "I'm sure the fatality rate would have been a lot higher."
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567:
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Photo of United Airlines Flight 232 from the NTSB report, with the damage done by the second engine highlighted.
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the success of United 232's crew in handling their emergency. The FAA made CRM mandatory after the accident.
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loss of hydraulics in a DC-10 was considered so remote that no procedure was established for such an event.
355:
313:
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922:
GE records of the second disk having the serial number of the crash disk indicate that it was made with an
526:, severing the No. 1 and No. 3 hydraulic system lines where they passed through the horizontal stabilizer.
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680:
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2705:"Modifications to NTSB Most Wanted List: List of Transportation Safety Improvements after September 1990"
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378:
329:
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180:
91:
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762:
Locations of passengers indicated by severity/lack of injury, and reason of death from the NTSB report.
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413:. He was hired by United in 1985, and had accrued 665 hours as a DC-10 first officer while at United.
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4282:
4132:
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1941:
1343:
1321:
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923:
511:
359:
343:" as it is considered one of the most impressive landings ever performed in the history of aviation.
328:
due to an unnoticed manufacturing defect in the engine's fan disk, which resulted in the loss of all
2879:
432:
1,943 hours accrued as a flight engineer, 965 hours as a first officer, and 79 hours as a captain.
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1313:
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1277:
1134:
1009:. Although not ideal, the system provides a greater control than that available to the United 232.
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515:
374:
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3035:
Aircraft Accident Report, Eastern Airlines, Inc. L-1011, N310EA, Miami, Florida, December 29, 1972
601:
was organized. Haynes kept his sense of humor during the emergency, as recorded by the airplane's
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3361:
2843:
2711:
1708:
1253:
886:
676:
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1904:
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Haynes: "Left, left throttle, left, left, left, left, left, left, left, left, left, left, left!"
3885:
3669:
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3617:
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1584:
After 26 seconds of uncontrolled descent, the aircraft crashed, killing all 87 people on board.
1100:
Haynes also credited CRM as being one of the factors that saved his own life, and many others.
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2190:
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1462:
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1273:; a portion of Episode 7 (originally aired January 25, 2008) detailed the events of the crash.
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993:
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The fracture is clearly visible in the recovered fan disk from the center engine of UAL 232.
852:
580:
321:
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Errol Morris' First Person (one hour documentary video, accident recounting by Denny Fitch)
2682:
1433:– an inside survivor narrative by Joseph Trombello (1999, PrintSource Plus, Appleton, WI;
377:, each powered by one of the aircraft's three engines, to power movement of the aircraft's
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4886:
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551:
416:
382:
289:
149:
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1905:"ASN Aircraft accident McDonnell Douglas DC-10-10 N1819U Sioux Gateway Airport, IA (SUX)"
1358:. The play was a new work directed and adapted by Vanessa Stalling and based on the book
522:. Engine debris penetrated the aircraft's tail section in numerous places, including the
1089:
was on duty at Sioux Gateway Airport, allowing for 285 trained personnel to assist with
4909:
4812:
4410:
Aviation accidents and incidents in the United States and U.S. territories in the 1980s
4342:
4252:
4112:
3488:"Aircraft Accident Report Pan American World Airways Inc Boeing 747, N747PA Flight 845"
3310:
1576:
1540:
1472:
1234:
1180:
1156:
692:
624:
554:. Even with the control column turned all the way to the left, commanding maximum left
3004:"Heroic United Airlines Pilot Dies 30 Years After Saving 184 Passengers in Iowa Crash"
2754:
2729:
1685:
1399:
Martha Conant told her story of survival to her daughter-in-law, Brittany Conant, on "
5597:
5500:
5089:
5074:
5017:
5001:
3916:
3810:[The number of injuries during the landing of A321 in the field reached 74].
2182:
1299:
1872:"Annual Review of Aircraft Accident Data, U.S. General Aviation, Calendar Year 1998"
834:
from a previously undetected metallurgical defect located in a critical area of the
5587:
5482:
5069:
4945:
3722:
1637:
1387:
1186:
1140:
649:
428:
229:
225:
39:
3103:"Plane Crash Survivor's Miraculous Tale of Faith: 'I Remember Every Minute of It'"
2926:
2813:
1475:
discussed his experiences on the Time Sensitive podcast, in a 2019 interview with
910:
the crash disk had been routed through GEAE manufacturing. Records indicated that
2461:
2338:
1203:
The accident was the subject of an 11th-season episode of the documentary series
1001:, and would be able to control roll (left and right) with some of the aircraft's
5582:
5575:
5079:
5048:
5043:
1621:
1613:
1366:
1335:
955:
688:
508:
367:
335:
Despite the fatalities, the accident is considered a good example of successful
3780:"Russian jet crash-lands in field outside Moscow after striking flock of gulls"
463:
17:
5117:
5094:
3874:
3421:
3392:""Spencer Bailey Reflects on the Crash-Landing of United Airlines Flight 232""
2745:
2306:
2157:
1400:
712:
Fitch: "Nah, I can't pull 'em off or we'll lose it, that's what's turning ya."
684:
574:
The airplane was tending to pull right, and oscillated slowly vertically in a
519:
421:
325:
81:
2391:
2249:
114:
101:
1652:
List of aircraft accidents and incidents resulting in at least 50 fatalities
1596:
1580:
1162:
895:
758:
530:
523:
399:
4839:
2763:
1587:
On May 9, 1987, improperly assembled bearings in Il-62M engine number 2 on
1347:
portrayed a fictional plane crash based in part on the crash of Flight 232.
542:
44:
N1819U, the aircraft involved in the accident, photographed in January 1977
3805:
2417:
882:
human factors in United Airlines' specification of maintenance processes.
2110:"Aviation Safety Network CVR/FDR: United Airlines DC-10-10 – 19 JUL 1989"
1459:
Chosen to Live: The Inspiring Story of Flight 232 Survivor Jerry Schemmel
1190:
835:
504:
363:
211:
197:
4832:
An asterisk (*) denotes an incident that took place in a U.S. territory.
3927:
3214:
2212:"20 years ago, pilot's heroic efforts saved 185 people as plane crashed"
863:
455:
3723:"Russia bird strike: 23 injured after plane hits gulls and crash-lands"
2311:
2120:
1625:
1548:
1445:
When the World Breaks Your Heart: Spiritual Ways of Living With Tragedy
1002:
575:
555:
493:
467:
Diagram showing engine components lost in flight, from the NTSB report.
305:
3753:"Passengers injured in emergency landing after Russian jet hits birds"
5649:
Airliner accidents and incidents involving uncontained engine failure
4950:
3870:
A talk given by the pilot describing the crash at NASA Dryden in 1991
1633:
1183:– former radio broadcaster of the Denver Nuggets and Colorado Rockies
1090:
891:
609:
Fitch: "I'll tell you what, we'll have a beer when this is all done."
481:
297:
1877:. National Transportation Safety Board. p. 19. NTSB/ARG-03/01.
777:
76 died for reasons other than smoke inhalation (17 in first class).
443:
1372:
In 2021, the accident was covered in episode 5 of the UK TV series
821:
663:
1617:
1487:
1258:
915:
911:
862:
820:
796:
757:
727:: "Whoop whoop pull up. Whoop whoop pull up. Whoop whoop pull up."
662:
550:
Meanwhile, Records found that the airplane did not respond to his
541:
462:
454:
442:
381:. In the event of loss of engine power or primary pump failure, a
3807:Число пострадавших при посадке A321 в поле возросло до 74 человек
1497:
taken that day while he was carrying a three-year-old to safety.
943:
The NTSB investigation, after reconstructions of the accident in
2987:
2071:. Airdisaster.com. Archived from the original on August 31, 2006
668:
448:
4843:
4383:
3970:
774:
35 died because of smoke inhalation (none were in first class).
3454:. AirDisaster.Com. Archived from the original on June 18, 2008
3246:"Surviving crew of doomed United Flight 232 reunites for play"
1404:
1232:
The episode "Engineering Disasters" (season 6, episode 18) of
1022:
906:. Eventually, the crack broke open, causing the disk to fail.
5639:
Accidents and incidents involving the McDonnell Douglas DC-10
5619:
Airliner accidents and incidents caused by mechanical failure
5604:
Aviation accidents and incidents in the United States in 1989
2667:
https://www.ntsb.gov/safety/safety-recs/RecLetters/A03_40.pdf
2144:
Playback of original CVR recording on "A Wing and a Prayer".
1461:
by Jerry Schemmel with Kevin Simpson (Victory Pub. Co.,1996;
1306:
The episode "Crisis in the Cockpit" (Season 2, Episode 1) of
612:
Haynes: "Well I don't drink, but I'll sure as hell have one."
324:, after suffering a catastrophic failure of its tail-mounted
3081:
1079:
The accident occurred during daylight hours in good weather;
3865:
Cockpit voice-recorder transcript (pdf) (NB contains error)
3279:"'Dreamgirls' and 'Tempest' win at 2016 Equity Jeff Awards"
2521:"Test pilot says safe landing of United jet was impossible"
1973:"Test pilot says safe landing of United jet was impossible"
1193:, who managed to resume performing two days after the crash
967:
have been flown successfully with this software installed.
5654:
Aviation accidents and incidents caused by loss of control
2485:
2483:
2158:
last cockpit voice recording of United Flight 232 at 0:18
1591:
overheated and exploded during cruise over the village of
316:(registered as N1819U) serving the flight crash-landed at
5624:
Airliner accidents and incidents caused by engine failure
3618:"Aviation Safety Network Criminal Occurrence Description"
2925:. Vol. 19, no. 2. November 2005. Archived from
1557:
a DHL Airbus A300, was struck by a surface-to-air missile
1189:– banjo player and member of American bluegrass ensemble
2633:
07/19/89 United Airlines, FAA, human factors maintenance
2177:
2175:
2173:
1419:
by Laurence Gonzales (2014, W. W. Norton & Company;
679:
could not be extended, and since flaps control both the
627:. You want to be particular and make it a runway, huh?"
1247:(S2E7 9/13/05 "Crash Landing in/at Sioux City") on the
1050:
The accident has since become an example of successful
597:(ATC) was contacted and an emergency landing at nearby
3527:"Aircraft Accident Report Eastern Airlines Flight 935"
2710:. National Transportation Safety Board. Archived from
2243:
2241:
2239:
2237:
635:
Haynes: "Whatever you do, keep us away from the city."
5547:
3903:
News report with video of crash landing of Flight 232
3566:"Japan Airlines Flight 123, Boeing 747-SR100, JA8119"
2599:"Titanium in Aero Engines, Trends & Developments"
558:, and pulled all the way back, commanding maximum up
459:
Damage to the rear of the plane, from the NTSB report
435:
Eight flight attendants were also aboard the flight.
3922:
Martha Conant tells her story of surviving the crash
2059:
2057:
2055:
2053:
2051:
2049:
2047:
5475:
5444:
5389:
5346:
5133:
5103:
5057:
5036:
5010:
4974:
4918:
4902:
4879:
4781:
4734:
4681:
4652:
4593:
4558:
4505:
4449:
4432:
4415:
3532:. NTSB. Archived from the original on June 15, 2011
3493:. NTSB. Archived from the original on July 31, 2009
2462:"The Crash of United Flight 232 by Capt. Al Haynes"
427:Dennis E. Fitch, nicknamed "Denny", 46, a training
275:
267:
259:
251:
243:
235:
217:
203:
189:
179:
171:
163:
155:
145:
135:
130:
87:
69:
54:
49:
3952:Cockpit voice-recorder recording at time of impact
3849:NTSB Accident report of United Airlines Flight 232
2844:"Safety Alerts Child Passenger Safety on Aircraft"
2543:
2541:
2301:
2299:
2104:
2102:
2100:
1338:, includes a fictional crash based on Flight 232.
783:47 were injured seriously (eight in first class).
534:off. This part of the emergency took 14 seconds.
2550:"Pilot who helped fly crippled jet in 1989 dies"
447:Radar plot of the plane's flight path, from the
424:and 33 hours as a flight engineer in the DC-10.
3165:"Fifteen years after crash, survivor remembers"
1102:
874:
3670:"Aviation Safety Network Accident Description"
3644:"Aviation Safety Network Accident Description"
3592:"Aviation Safety Network Accident Description"
3362:"After Disaster, a Survivor Sheds Her Regrets"
1707:While Colorado is wholly contained within the
1042:to make this a requirement in September 2013.
4855:
4713:Indianapolis Ramada Inn A-7D Corsair II crash
4395:
3982:
2970:"The Crash of United Flight 232 (transcript)"
1676:
1674:
1672:
8:
5202:1955 MacArthur Airport United Airlines crash
3311:"'Plane Crash Recreated' UA232 / Sioux City"
2778:"Use of Child Restraint Systems on Aircraft"
2652:"WAS02RA037, NTSB Factual Report – Aviation"
2189:. Aerospace Publications. pp. 186–202.
2022:"Al Haynes, pilot of Flight 232, dies at 87"
1417:Flight 232: A Story of Disaster and Survival
786:125 had minor injuries (one in first class).
32:
2378:Cushman, John H. Jr. (September 19, 1989).
1241:The accident was featured in an episode of
4862:
4848:
4840:
4795:Evergreen International Airlines Flight 17
4672:Japan Air Lines Cargo Flight 1628 incident
4402:
4388:
4380:
4213:Pakistan International Airlines Flight 404
4093:Evergreen International Airlines Flight 17
3989:
3975:
3967:
3876:Video of the above lecture by Capt. Haynes
2491:"Key Piece of Doomed DC-10 Found in Field"
2119:. Flight Safety Foundation. Archived from
1386:Dennis Fitch described his experiences in
31:
4463:Thunderbirds Indian Springs Diamond Crash
3215:"Crash Landing: The Rescue of Flight 232"
2753:
2740:(7429). British Medical Journal: 1424–7.
1216:The accident was the subject of the 1992
1040:International Civil Aviation Organization
885:Investigators discovered an impurity and
789:13 had no injuries (none in first class).
5659:Aviation accidents and incidents in 1989
5614:Airliner accidents and incidents in Iowa
4584:Provincetown-Boston Airlines Flight 1039
3898:"17th Anniversary Tribute of Flight 232"
2889:. National Transportation Safety Board.
2853:. National Transportation Safety Board.
2820:. National Transportation Safety Board.
1032:Epidemiology of motor vehicle collisions
5634:United Airlines accidents and incidents
5554:
4566:Scandinavian Airlines System Flight 901
3929:Crash Landing: The Rescue of Flight 232
3422:"Flight 232 Memorial, Sioux City, Iowa"
3336:"Errol Morris' First Person Episode 10"
2814:"Child and Youth Transportation Safety"
2578:from the original on September 30, 2006
1828:
1826:
1824:
1822:
1820:
1818:
1816:
1814:
1812:
1810:
1808:
1806:
1804:
1802:
1800:
1798:
1796:
1794:
1792:
1790:
1788:
1786:
1784:
1782:
1780:
1778:
1776:
1774:
1772:
1770:
1768:
1766:
1764:
1762:
1760:
1758:
1756:
1732:
1668:
1604:In contrast to deploying landing gear:
1227:Crash Landing: The Rescue of Flight 232
4725:Pacific Southwest Airlines Flight 1771
3962:A detailed description of the accident
3543:
3504:
3465:
3402:from the original on November 25, 2021
3244:Ihejirika, Maudlyne (April 16, 2016).
3134:"A Remarkable Tale of a Derby Trainer"
3113:from the original on December 18, 2019
2824:from the original on November 17, 2018
2730:"The power of stories over statistics"
2319:from the original on February 16, 2017
2082:
2032:from the original on December 21, 2019
1754:
1752:
1750:
1748:
1746:
1744:
1742:
1740:
1738:
1736:
825:Damaged hydraulic systems in the DC-10
514:engine disintegrated explosively. The
5644:July 1989 events in the United States
4273:Soviet Air Force Ilyushin Il-76 crash
3650:from the original on October 19, 2012
3432:from the original on October 19, 2019
3291:from the original on October 20, 2016
3144:from the original on February 2, 2017
3052:from the original on October 16, 2020
2976:from the original on October 26, 2013
2896:from the original on January 25, 2017
2380:"Crash Tape Shows a Pessimistic Crew"
1952:from the original on December 9, 2021
1921:from the original on December 3, 2020
1852:from the original on October 24, 2018
1071:Factors contributing to survival rate
7:
5112:Blakey v. Continental Airlines, Inc.
3858:Embry-Riddle Aeronautical University
3818:from the original on August 17, 2019
3786:from the original on August 15, 2019
3759:from the original on August 15, 2019
3733:from the original on August 15, 2019
3729:. BBC News Online. August 15, 2019.
3703:from the original on August 15, 2019
3043:National Transportation Safety Board
3014:from the original on August 27, 2019
2794:from the original on October 8, 2021
2501:from the original on August 10, 2011
2446:United Airlines Flight 232 episode,
2428:from the original on January 8, 2021
1983:from the original on August 27, 2019
1845:. November 1, 1990. NTSB/AAR-90/06.
1843:National Transportation Safety Board
1510:In 1971, a Boeing 747, operating as
1026:children to have seats on aircraft.
409:in 1969. He worked subsequently for
5219:1956 Grand Canyon mid-air collision
4742:Trans-Colorado Airlines Flight 2286
4625:Midwest Express Airlines Flight 105
4193:Alice Springs hot air balloon crash
3624:from the original on August 6, 2011
3598:from the original on August 6, 2011
3258:from the original on April 18, 2016
3132:Rosenblatt, Richard (May 1, 2006).
3101:Riggs, Stephanie (August 5, 2016).
1971:Peterson, John (October 31, 1989).
706:Haynes: "Left turn, close 'em off."
4203:China Eastern Airlines Flight 5510
3676:from the original on June 15, 2013
3372:from the original on July 21, 2011
2923:Management Communication Quarterly
2552:. Associated Press. Archived from
2277:DC-10 Flight Crew Operating Manual
2222:from the original on July 22, 2009
2020:Dreeszen, Dave (August 26, 2019).
1884:from the original on June 15, 2010
1145:Continental Basketball Association
730:Haynes: "Everybody stay in brace!"
310:Philadelphia International Airport
222:Philadelphia International Airport
25:
5536:List of airline holding companies
5166:1943 Liberator crash at Whenuapai
4578:San Luis Obispo mid-air collision
3695:Cole, Brendan (August 15, 2019).
3277:Jones, Chris (October 17, 2016).
3225:from the original on May 27, 2006
3163:Preheim, Cheryl (July 20, 2004).
3045:. June 14, 1973. NTSB/AAR-73/14.
2860:from the original on May 15, 2017
2681:. August 13, 2006. Archived from
2468:from the original on July 3, 2011
2256:from the original on July 3, 2011
780:One died a month after the crash.
373:The DC-10 used three independent
368:General Electric Aircraft Engines
5581:
5569:
5557:
5523:
5522:
5445:Continental Express / Connection
4719:Continental Airlines Flight 1713
3999:Aviation accidents and incidents
2968:Capt. Al Haynes (May 24, 1991).
2880:"Strengthen Occupant Protection"
2398:from the original on May 6, 2019
2339:"The Crash of United Flight 232"
2250:"The Crash of United Flight 232"
2210:Gates, Dominic (July 19, 2009).
1628:engines just after takeoff from
1267:distributed a documentary named
1177:– Olympian and racehorse trainer
1159:– writer, editor, and journalist
529:The pilots felt a jolt, and the
95:Sioux City, Iowa, United States
38:
5230:1960 New York mid-air collision
4619:Bar Harbor Airlines Flight 1808
4531:Reeve Aleutian Airways Flight 8
3814:(in Russian). August 15, 2019.
2991:Dryden Flight Research Facility
2007:Federal Aviation Administration
1630:Zhukovsky International Airport
1589:LOT Polish Airlines Flight 5055
1085:The accident occurred when the
725:Ground Proximity Warning System
478:Stapleton International Airport
388:Federal Aviation Administration
294:Stapleton International Airport
194:Stapleton International Airport
4660:Grand Canyon mid-air collision
4223:Cubana de Aviación Flight 9046
4163:Philippine Airlines Flight 124
3452:"Eyewitness Report:United 232"
1573:LOT Polish Airlines Flight 007
1396:, episode "Leaving the Earth".
1093:and evacuation of the injured.
681:minimum required forward speed
1:
4707:Northwest Airlines Flight 255
4695:Northwest Airlink Flight 2268
3778:Fox, Kara (August 15, 2019).
3755:. CBS News. August 15, 2019.
3091:, Retrieved December 27, 2018
2947:. Boxtree. pp. 158–165.
2604:. Rolls-Royce. Archived from
2359:"Flight 232 Radio Transcript"
1561:Baghdad International Airport
1559:shortly after departing from
538:Attempts to control the plane
4966:Texas International Airlines
4748:American Airlines Flight 132
4689:SkyWest Airlines Flight 1834
4572:Vieques Air Link Flight 901A
4519:Eastern Air Lines Flight 855
4440:Eastern Air Lines Flight 935
2548:Babwin, Don (May 10, 2012).
1948:. Flight Safety Foundation.
1352:The House Theatre of Chicago
1113:Eastern Air Lines Flight 401
733:GPWS: "Whoop whoop pull up."
709:Records: "Pull 'em all off."
490:O'Hare International Airport
302:O'Hare International Airport
208:O'Hare International Airport
4772:Delta Air Lines Flight 1141
4637:Teterboro mid-air collision
4631:Henson Airlines Flight 1517
4513:United Airlines Flight 2885
4475:Pilgrim Airlines Flight 458
4333:Angola Lockheed L-100 crash
4183:Olympic Aviation Flight 545
4063:Flying Tiger Line Flight 66
4053:Independent Air Flight 1851
3945:September 18, 2021, at the
3672:. Aviation Safety Network.
3646:. Aviation Safety Network.
3620:. Aviation Safety Network.
3594:. Aviation Safety Network.
2167:Retrieved January 10, 2013.
1523:Eastern Airlines Flight 935
1249:National Geographic Channel
1115:crash of a similarly sized
801:The aftermath of Flight 232
496:with continuing service to
476:Flight 232 lifted off from
5675:
5104:Legal and public relations
4819:United Express Flight 2415
4801:United Airlines Flight 232
4789:United Airlines Flight 811
4701:American Eagle Flight 5452
4613:Delta Air Lines Flight 191
4601:Galaxy Airlines Flight 203
4549:Anchorage runway collision
4543:Ozark Air Lines Flight 650
4353:United Express Flight 2415
4153:United Airlines Flight 232
4123:Surinam Airways Flight 764
4073:United Airlines Flight 811
3189:"The Impossible Landing".
3076:December 28, 2018, at the
2638:February 28, 2017, at the
1977:United Press International
1624:that caused fires in both
1545:Baikal Airlines Flight 130
1060:United Airlines Flight 173
988:Newer designs such as the
770:Of all of the passengers:
472:Takeoff and engine failure
411:Pan American World Airways
288:was a regularly scheduled
286:United Airlines Flight 232
140:McDonnell Douglas DC-10-10
74:Uncontained engine failure
33:United Airlines Flight 232
5518:
4828:
4760:Aloha Airlines Flight 243
4607:China Airlines Flight 006
4362:
4293:China Airlines Flight 204
4043:Germany mid-air collision
4014:
3891:October 10, 2022, at the
3550:: CS1 maint: unfit URL (
3511:: CS1 maint: unfit URL (
3472:: CS1 maint: unfit URL (
3368:. NPR. January 11, 2008.
2943:Faith, Nicholas (1998) .
2746:10.1136/bmj.327.7429.1424
2089:: CS1 maint: unfit URL (
1616:, encountered a flock of
1530:Japan Airlines Flight 123
1171:– investment fund manager
1058:in 1977 and the crash of
1056:Tenerife Airport disaster
939:Influence on the industry
703:Records: "Close 'em off."
312:. On July 19, 1989, the
37:
5011:Former holding companies
4903:Current marketing brands
4872:United Airlines Holdings
4830:This list is incomplete.
4423:Air Wisconsin Flight 965
3806:
3197:Discovery Channel Canada
1915:Flight Safety Foundation
1610:Ural Airlines Flight 178
1431:Miracle in the Cornfield
1290:) featured the accident.
1052:crew resource management
1046:Crew resource management
337:crew resource management
5507:American General Center
5447:accidents and incidents
5392:accidents and incidents
5349:accidents and incidents
5136:accidents and incidents
5037:Frequent flyer services
5018:Jet Capital Corporation
4975:Former marketing brands
4956:People Express Airlines
4537:Air Illinois Flight 710
4469:World Airways Flight 30
4083:Air Ontario Flight 1363
3844:Aviation Safety Network
2657:March 14, 2022, at the
2117:Aviation Safety Network
2003:"FAA Registry (N1819U)"
1946:Aviation Safety Network
1910:Aviation Safety Network
1211:Air Crash Investigation
1087:Iowa Air National Guard
1017:Restraints for children
990:McDonnell Douglas MD-11
933:Airworthiness Directive
58:July 19, 1989
4982:Continental Connection
4936:Continental Micronesia
4103:Transbrasil Flight 801
4023:Air battle near Tobruk
2572:Past Research Projects
2364:June 27, 2018, at the
1493:
1316:featured the accident.
1143:– commissioner of the
1124:Notable people onboard
1106:
879:
868:
826:
802:
763:
672:
603:cockpit voice recorder
547:
468:
460:
452:
398:Flight 232's captain,
341:The Impossible Landing
27:1989 aviation accident
5149:1934 Boeing 247 crash
5124:United Breaks Guitars
5023:Texas Air Corporation
4666:Aeroméxico Flight 498
4643:Death of Ricky Nelson
4525:Air Canada Flight 797
4457:Air Florida Flight 90
4313:Korean Air Flight 175
4303:Aeroflot Flight 37577
4173:Korean Air Flight 803
4033:Kegworth air disaster
3568:. FAA. Archived from
3221:. February 24, 1992.
3087:July 5, 2007, at the
2717:on December 30, 2008.
2449:Seconds From Disaster
2344:July 5, 2008, at the
2315:. December 25, 2015.
2307:""Leaving the Earth""
2187:Air Disaster Volume 2
2163:May 20, 2016, at the
1657:Miracle on the Hudson
1491:
1374:Plane Crash Recreated
1244:Seconds From Disaster
904:operating temperature
866:
824:
800:
761:
666:
599:Sioux Gateway Airport
545:
524:horizontal stabilizer
486:Central Daylight Time
466:
458:
446:
400:Alfred C. "Al" Haynes
318:Sioux Gateway Airport
115:42.40806°N 96.38389°W
92:Sioux Gateway Airport
5489:77 West Wacker Drive
5390:Continental Airlines
5065:William A. Patterson
4931:Continental Airlines
4283:TAN-SAHSA Flight 414
4143:Belgium MiG-23 crash
4133:Interflug Flight 102
3840:Accident description
3572:on February 25, 2013
2787:. December 9, 2010.
2665:, August 21, 2003.
2497:. October 12, 1989.
1608:On August 15, 2019,
1600:to reach the runway.
1539:In 1994, RA85656, a
1528:On August 12, 1985,
1413:of January 11, 2008.
1322:Charlie Victor Romeo
924:RMI Titanium Company
507:of its tail-mounted
366:engines produced by
4987:Continental Express
4633:(September 23 1985)
4371:► 1990
4365:1988 ◄
4243:Partnair Flight 394
3426:RoadsideAmerica.com
3201:National Geographic
3195:. Season 11. 2012.
3138:The Washington Post
3010:. August 27, 2019.
2728:Newman, TB (2003).
2357:Sioux City Journal
1571:On March 14, 1980,
1492:Flight 232 Memorial
1484:Flight 232 Memorial
1390:'s television show
1314:The Weather Channel
1283:Survival in the Sky
1278:A Wing and a Prayer
1265:The History Channel
1238:featured the crash.
1135:John Kenneth Stille
971:Titanium processing
961:linear relationship
754:Injuries and deaths
718:Fitch: "Back, Al!"
650:lock due to gravity
595:Air traffic control
516:uncontained failure
120:42.40806; -96.38389
111: /
34:
4821:(December 26 1989)
4815:(December 15 1989)
4756:(February 19 1988)
4627:(September 6 1985)
4551:(December 23 1983)
4545:(December 20 1983)
4368:
4323:Avianca Flight 203
2685:on August 13, 2006
2568:"Active Home Page"
2464:. Clear-prop.org.
2422:planecrashinfo.com
2384:The New York Times
2337:Haynes, Capt. Al.
2126:on August 10, 2011
2026:Sioux City Journal
1709:Mountain Time Zone
1494:
1254:MSNBC Investigates
1165:– aircraft captain
992:have incorporated
869:
827:
803:
764:
673:
548:
469:
461:
453:
362:high bypass-ratio
136:Aircraft type
5545:
5544:
5495:1600 Smith Street
4997:Shuttle by United
4961:Frontier Airlines
4837:
4836:
4807:USAir Flight 5050
4754:AVAir Flight 3378
4750:(February 3 1988)
4496:Pan Am Flight 830
4481:Pan Am Flight 759
4471:(January 23 1982)
4465:(January 18 1982)
4459:(January 13 1982)
4377:
4376:
4263:USAir Flight 5050
3251:Chicago Sun-Times
2679:"Aviation Issues"
2597:Thomas, Malcolm.
2495:Los Angeles Times
1942:"United Airlines"
1555:In 2003, OO-DLL,
1501:Similar accidents
1467:978-0-965-20865-9
1453:978-1-498-28428-8
1425:978-0-393-24002-3
1381:Survivor accounts
1356:United Flight 232
1295:Biography Channel
1222:A Thousand Heroes
1169:Helen Young Hayes
945:flight simulators
914:supplied GE with
741:End of recording.
585:flight instructor
407:National Airlines
375:hydraulic systems
353:McDonnell Douglas
283:
282:
16:(Redirected from
5666:
5629:Sioux City, Iowa
5586:
5585:
5574:
5573:
5572:
5562:
5561:
5560:
5553:
5537:
5530:
5526:
5525:
5511:
4992:Continental Lite
4941:Continental West
4926:Capital Airlines
4880:Current airlines
4873:
4864:
4857:
4850:
4841:
4809:(September 1989)
4621:(August 25 1985)
4580:(August 24 1984)
4574:(August 2 1984)*
4442:(September 1981)
4404:
4397:
4390:
4381:
4369:
4233:Varig Flight 254
4009:
4008:
4006:
3991:
3984:
3977:
3968:
3913:Pre-crash photos
3877:
3828:
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3382:
3381:
3379:
3377:
3358:
3352:
3351:
3349:
3347:
3342:on April 8, 2011
3338:. Archived from
3332:
3326:
3325:
3323:
3321:
3307:
3301:
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3298:
3296:
3274:
3268:
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3057:
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3030:
3024:
3023:
3021:
3019:
3008:Travel + Leisure
3000:
2994:
2986:Presentation to
2985:
2983:
2981:
2965:
2959:
2958:
2940:
2934:
2933:
2932:on July 5, 2007.
2931:
2920:
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2906:
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2895:
2884:
2876:
2870:
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2804:
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2799:
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2709:
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2695:
2694:
2692:
2690:
2675:
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2649:
2643:
2630:
2624:
2623:
2618:
2616:
2611:on June 10, 2011
2610:
2603:
2594:
2588:
2587:
2585:
2583:
2564:
2558:
2557:
2556:on May 14, 2012.
2545:
2536:
2535:
2533:
2531:
2517:
2511:
2510:
2508:
2506:
2487:
2478:
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2375:
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2355:
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2335:
2329:
2328:
2326:
2324:
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2294:
2293:
2291:
2289:
2284:on July 21, 2011
2280:. Archived from
2272:
2266:
2265:
2263:
2261:
2245:
2232:
2231:
2229:
2227:
2207:
2201:
2200:
2179:
2168:
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2136:
2135:
2133:
2131:
2125:
2114:
2106:
2095:
2094:
2088:
2080:
2078:
2076:
2069:"Special report"
2061:
2042:
2041:
2039:
2037:
2017:
2011:
2010:
1999:
1993:
1992:
1990:
1988:
1968:
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1830:
1721:
1718:
1712:
1705:
1699:
1696:
1690:
1688:
1678:
1534:Boeing 747-146SR
1477:Andrew Zuckerman
1309:Why Planes Crash
1225:, also known as
1218:television movie
1064:Portland, Oregon
984:Aircraft designs
859:Failed component
715:Records: "Okay."
568:control surfaces
509:General Electric
351:The airplane, a
322:Sioux City, Iowa
308:, continuing to
175:UNITED 232 HEAVY
126:
125:
123:
122:
121:
116:
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109:
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65:
63:
42:
35:
21:
5674:
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5580:
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5556:
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5541:
5535:
5528:
5514:
5509:
5471:
5446:
5440:
5391:
5385:
5348:
5342:
5135:
5134:United Airlines
5129:
5099:
5053:
5032:
5028:UAL Corporation
5006:
4970:
4919:Former airlines
4914:
4898:
4887:United Airlines
4875:
4871:
4868:
4838:
4833:
4831:
4824:
4791:(February 1989)
4777:
4766:TACA Flight 110
4730:
4727:(December 1987)
4721:(November 1987)
4677:
4674:(November 1986)
4648:
4645:(December 1985)
4639:(November 1985)
4615:(August 2 1985)
4609:(February 1985)
4589:
4586:(December 1984)
4568:(February 1984)
4554:
4501:
4477:(February 1982)
4445:
4428:
4411:
4408:
4378:
4373:
4367:
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4010:
4004:
4002:
3997:
3995:
3957:Accident photos
3947:Wayback Machine
3936:– 1992 TV movie
3909:, July 19, 1989
3893:Wayback Machine
3875:
3836:
3831:
3821:
3819:
3808:
3804:
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3366:Morning Edition
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3309:
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3284:Chicago Tribune
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3089:Wayback Machine
3078:Wayback Machine
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1940:Ranter, Harro.
1939:
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1620:resulting in a
1547:, crashed near
1521:, operating as
1519:Lockheed L-1011
1503:
1486:
1410:Morning Edition
1383:
1328:The 1991 novel
1209:(also known as
1200:
1175:Michael R. Matz
1153:
1131:
1126:
1117:Lockheed L-1011
1073:
1048:
1019:
999:stabilizer trim
994:hydraulic fuses
986:
973:
949:Nigeria Airways
941:
861:
819:
756:
645:
540:
474:
441:
417:Flight Engineer
396:
383:ram air turbine
379:flight controls
349:
330:flight controls
290:United Airlines
164:ICAO flight No.
156:IATA flight No.
150:United Airlines
119:
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110:
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18:Dennis E. Fitch
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4744:(January 1988)
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4492:(July 23 1982)
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3854:Alternate link
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3396:Time Sensitive
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3082:The CBA Museum
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1541:Tupolev Tu-154
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1470:
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1397:
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1379:
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1369:, winning two.
1348:
1341:The 1993 film
1339:
1326:
1319:The 1999 play
1317:
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1274:
1262:
1239:
1235:Modern Marvels
1230:
1214:
1199:
1196:
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1181:Jerry Schemmel
1178:
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736:Haynes: "God!"
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5090:Walter Varney
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5075:Larry Kellner
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4488:Twilight Zone
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4483:(July 9 1982)
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3917:Airliners.net
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3056:September 22,
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2216:Seattle Times
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1987:September 11,
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1543:operating as
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1301:
1300:I Survived...
1296:
1292:
1289:
1285:
1284:
1279:
1276:The episode "
1275:
1272:
1271:
1266:
1263:
1261:news channel.
1260:
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968:
966:
965:F-15 STOL/MTD
962:
957:
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946:
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928:
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865:
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841:
840:engine failed
837:
831:
823:
817:Investigation
816:
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188:
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76:resulting in
75:
72:
68:
57:
53:
48:
41:
36:
30:
19:
5609:1989 in Iowa
5483:Willis Tower
5300:
5110:
5070:Glenn Tilton
4946:New York Air
4800:
4797:(March 1989)
4762:(April 1988)
4697:(March 1987)
4487:
4152:
3928:
3820:. Retrieved
3811:
3800:
3788:. Retrieved
3773:
3761:. Retrieved
3747:
3735:. Retrieved
3726:
3717:
3705:. Retrieved
3699:. Newsweek.
3690:
3678:. Retrieved
3664:
3652:. Retrieved
3638:
3626:. Retrieved
3612:
3600:. Retrieved
3586:
3574:. Retrieved
3570:the original
3560:
3534:. Retrieved
3521:
3495:. Retrieved
3482:
3456:. Retrieved
3446:
3434:. Retrieved
3425:
3416:
3406:December 24,
3404:. Retrieved
3395:
3386:
3374:. Retrieved
3365:
3356:
3344:. Retrieved
3340:the original
3330:
3318:. Retrieved
3314:
3305:
3295:February 15,
3293:. Retrieved
3282:
3272:
3262:February 15,
3260:. Retrieved
3249:
3239:
3227:. Retrieved
3218:
3209:
3190:
3184:
3172:. Retrieved
3168:
3158:
3146:. Retrieved
3137:
3127:
3117:December 18,
3115:. Retrieved
3106:
3096:
3066:
3054:. Retrieved
3034:
3028:
3016:. Retrieved
3007:
2998:
2978:. Retrieved
2963:
2944:
2938:
2927:the original
2922:
2910:
2898:. Retrieved
2887:app.ntsb.gov
2886:
2874:
2862:. Retrieved
2851:www.ntsb.gov
2850:
2838:
2826:. Retrieved
2818:www.ntsb.gov
2817:
2808:
2796:. Retrieved
2784:
2772:
2737:
2733:
2723:
2712:the original
2699:
2687:. Retrieved
2683:the original
2673:
2662:
2647:
2628:
2620:
2613:. Retrieved
2606:the original
2592:
2580:. Retrieved
2571:
2562:
2554:the original
2528:. Retrieved
2524:
2515:
2503:. Retrieved
2494:
2470:. Retrieved
2456:
2447:
2442:
2430:. Retrieved
2421:
2418:"cvr 961119"
2412:
2400:. Retrieved
2383:
2373:
2353:
2333:
2323:February 16,
2321:. Retrieved
2310:
2286:. Retrieved
2282:the original
2276:
2270:
2258:. Retrieved
2248:Haynes, Al.
2224:. Retrieved
2215:
2205:
2186:
2153:
2145:
2140:
2128:. Retrieved
2121:the original
2116:
2073:. Retrieved
2034:. Retrieved
2025:
2015:
2006:
1997:
1985:. Retrieved
1976:
1966:
1954:. Retrieved
1945:
1935:
1923:. Retrieved
1908:
1898:
1886:. Retrieved
1866:
1854:. Retrieved
1834:
1716:
1703:
1694:
1638:landing gear
1603:
1566:
1504:
1495:
1458:
1444:
1430:
1416:
1408:
1393:First Person
1391:
1388:Errol Morris
1373:
1359:
1355:
1342:
1329:
1320:
1307:
1298:
1287:
1281:
1268:
1252:
1242:
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1226:
1220:
1210:
1204:
1187:Pete Wernick
1141:Jay Ramsdell
1111:As with the
1110:
1107:
1103:
1099:
1096:
1074:
1049:
1036:
1028:
1020:
1011:
987:
974:
953:
942:
929:
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908:
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884:
880:
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870:
849:
832:
828:
811:
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658:
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638:
630:
615:
593:
589:
573:
564:
549:
528:
502:
498:Philadelphia
475:
434:
429:check airman
426:
415:
404:
397:
372:
350:
340:
334:
292:flight from
285:
284:
230:Pennsylvania
226:Philadelphia
181:Registration
29:
5466:Flight 3407
5460:Flight 2574
5454:Flight 2286
5435:Flight 1404
5429:Flight 1883
5417:Flight 1713
5380:Flight 4933
5374:Flight 3411
5368:Flight 5925
5362:Flight 6291
5356:Flight 2415
5331:Flight 1175
5289:Flight 2885
5277:Flight 2860
5085:Oscar Munoz
5080:Jeff Smisek
5049:MileagePlus
5044:United Club
4803:(July 1989)
4703:(May 1987)*
4662:(June 1986)
4425:(June 1980)
3436:December 9,
2798:January 15,
2036:February 4,
1956:December 9,
1925:December 9,
1888:January 12,
1683:49 CFR
1622:bird strike
1614:Airbus A321
1517:In 1981, a
1367:Jeff Awards
1336:Dean Koontz
1286:(UK title:
956:fly-by-wire
844:independent
748:cartwheeled
695:; 410
616:and later:
218:Destination
210:, Chicago,
118: /
5598:Categories
5476:Facilities
5411:Flight 603
5337:Flight 328
5319:Flight 175
5313:Flight 826
5307:Flight 585
5301:Flight 232
5295:Flight 811
5283:Flight 173
5271:Flight 553
5265:Flight 266
5259:Flight 227
5253:Flight 389
5247:Flight 823
5241:Flight 297
5235:Flight 859
5224:Flight 736
5213:Flight 629
5207:Flight 409
5196:Flight 615
5190:Flight 610
5184:Flight 624
5178:Flight 608
5172:Flight 521
5118:Untied.com
5095:Robert Six
4768:(May 1988)
4521:(May 1983)
3822:August 19,
3790:August 15,
3763:August 15,
3737:August 15,
3707:August 15,
3148:January 8,
3018:August 29,
2900:August 29,
2864:August 29,
2828:August 29,
2432:January 6,
2065:Haynes, Al
1728:References
1512:Pan Am 845
1439:0966981502
1401:Storycorps
1360:Flight 232
1198:Depictions
691:(250
623:Haynes: "
583:and DC-10
520:Alta, Iowa
422:Boeing 727
260:Fatalities
244:Passengers
196:, Denver,
106:96°23′02″W
103:42°24′29″N
82:hydraulics
62:1989-07-19
5503:(Houston)
5497:(Houston)
5491:(Chicago)
5485:(Chicago)
5423:Flight 55
5405:Flight 12
5399:Flight 11
5325:Flight 93
5160:Flight 34
5143:Flight 23
3680:April 11,
3654:April 11,
3628:April 11,
3602:April 11,
3576:April 11,
3536:April 11,
3497:April 11,
3376:March 15,
3346:March 15,
2945:Black Box
2689:March 15,
2615:April 10,
2505:March 15,
2472:March 15,
2392:0362-4331
2368:3:57 p.m.
2288:March 16,
2260:March 16,
2146:Black Box
2130:March 25,
1856:March 15,
1641:severely.
1597:trim tabs
1581:go-around
1403:" during
1354:produced
1350:In 2016,
1331:Cold Fire
1288:Black Box
1270:Shockwave
1163:Al Haynes
1151:Survivors
1137:– chemist
685:sink rate
531:autopilot
484:at 14:09
276:Survivors
236:Occupants
172:Call sign
5564:Aviation
5529:Category
5510:(former)
5154:Flight 4
4490:accident
3943:Archived
3907:ABC News
3889:Archived
3816:Archived
3784:Archived
3757:Archived
3731:Archived
3727:BBC News
3701:Archived
3674:Archived
3648:Archived
3622:Archived
3596:Archived
3546:cite web
3507:cite web
3468:cite web
3430:Archived
3400:Archived
3370:Archived
3320:March 9,
3289:Archived
3256:Archived
3223:Archived
3142:Archived
3111:Archived
3085:Archived
3074:Archived
3047:Archived
3012:Archived
2974:Archived
2891:Archived
2855:Archived
2822:Archived
2789:Archived
2785:Ntsb.gov
2764:14684635
2655:Archived
2636:Archived
2576:Archived
2574:. NASA.
2499:Archived
2466:Archived
2426:Archived
2396:Archived
2362:Archived
2342:Archived
2317:Archived
2254:Archived
2226:July 19,
2220:Archived
2185:(1996).
2161:Archived
2085:cite web
2030:Archived
1981:Archived
1950:Archived
1919:Archived
1879:Archived
1847:Archived
1646:See also
1618:seagulls
1344:Fearless
1191:Hot Rize
1062:outside
1007:spoilers
1003:ailerons
836:titanium
560:elevator
505:fan disk
364:turbofan
356:DC-10-10
347:Aircraft
268:Injuries
212:Illinois
204:Stopover
198:Colorado
146:Operator
131:Aircraft
50:Accident
5550:Portals
4003: (
4001:in 1989
3881:YouTube
3842:at the
3782:. CNN.
3458:June 4,
3174:May 28,
2980:June 4,
2582:June 1,
2402:May 30,
2312:YouTube
2148:. 1996.
1626:CFM56-5
1593:Lipinki
1549:Irkutsk
1297:series
1257:on the
1129:Victims
887:fatigue
605:(CVR):
581:captain
576:phugoid
556:aileron
494:Chicago
451:report.
306:Chicago
70:Summary
60: (
5468:(2009)
5462:(1991)
5456:(1988)
5437:(2008)
5431:(2006)
5425:(2000)
5419:(1987)
5413:(1978)
5407:(1965)
5401:(1962)
5382:(2019)
5376:(2017)
5370:(1996)
5364:(1994)
5358:(1989)
5339:(2021)
5333:(2018)
5327:(2001)
5321:(2001)
5315:(1997)
5309:(1991)
5303:(1989)
5297:(1989)
5291:(1983)
5285:(1978)
5279:(1977)
5273:(1972)
5267:(1969)
5261:(1965)
5255:(1965)
5249:(1964)
5243:(1962)
5237:(1961)
5226:(1958)
5215:(1955)
5209:(1955)
5198:(1951)
5192:(1951)
5186:(1948)
5180:(1947)
5174:(1947)
5168:(1943)
5162:(1936)
5156:(1935)
5145:(1933)
5058:People
4951:Pan Am
4349:Dec 26
4339:Dec 15
4329:Nov 27
4319:Nov 27
4309:Nov 25
4299:Nov 21
4289:Oct 26
4279:Oct 21
4269:Oct 18
4259:Sep 20
4249:Sep 19
4209:Aug 25
4199:Aug 15
4189:Aug 13
4169:Jul 27
4159:Jul 21
4149:Jul 19
4129:Jun 17
4109:Apr 10
4099:Mar 21
4089:Mar 18
4079:Mar 10
4069:Feb 24
4059:Feb 19
4039:Jan 13
3812:ria.ru
3192:Mayday
2993:staff.
2951:
2762:
2755:300791
2752:
2390:
2193:
1634:Moscow
1465:
1451:
1437:
1423:
1364:Equity
1206:Mayday
1091:triage
896:billet
892:vacuum
482:Denver
439:Events
360:CF6-6D
326:engine
298:Denver
185:N1819U
167:UAL232
5588:1980s
4892:fleet
4239:Sep 8
4229:Sep 3
4219:Sep 3
4179:Aug 3
4139:Jul 4
4119:Jun 7
4049:Feb 8
4029:Jan 8
4019:Jan 4
3915:from
3530:(PDF)
3491:(PDF)
3169:9News
3050:(PDF)
3039:(PDF)
2930:(PDF)
2919:(PDF)
2894:(PDF)
2883:(PDF)
2858:(PDF)
2847:(PDF)
2792:(PDF)
2781:(PDF)
2715:(PDF)
2708:(PDF)
2609:(PDF)
2602:(PDF)
2348:15:59
2124:(PDF)
2113:(PDF)
1882:(PDF)
1875:(PDF)
1850:(PDF)
1839:(PDF)
1686:830.2
1663:Notes
1612:, an
1575:, an
1334:, by
1280:" of
1259:MSNBC
916:TIMET
912:Alcoa
853:pitch
689:knots
677:flaps
625:Roger
512:CF6-6
314:DC-10
159:UA232
5576:Iowa
4782:1989
4735:1988
4682:1987
4653:1986
4594:1985
4559:1984
4506:1983
4450:1982
4433:1981
4416:1980
4005:1989
3934:IMDb
3824:2019
3792:2019
3765:2019
3739:2019
3709:2019
3682:2011
3656:2011
3630:2011
3604:2011
3578:2011
3552:link
3538:2011
3513:link
3499:2011
3474:link
3460:2008
3438:2021
3408:2021
3378:2011
3348:2011
3322:2023
3315:IMDb
3297:2016
3264:2016
3231:2006
3219:IMDb
3176:2022
3150:2020
3119:2019
3058:2020
3020:2019
2988:NASA
2982:2013
2949:ISBN
2902:2019
2866:2019
2830:2019
2800:2022
2760:PMID
2691:2011
2663:NTSB
2617:2011
2584:2006
2532:2022
2507:2011
2474:2011
2434:2021
2404:2019
2388:ISSN
2325:2017
2290:2011
2262:2011
2228:2009
2191:ISBN
2132:2011
2091:link
2077:2006
2038:2020
1989:2022
1958:2021
1927:2021
1890:2020
1858:2011
1532:, a
1463:ISBN
1449:ISBN
1435:ISBN
1421:ISBN
1293:The
1251:and
1005:and
697:km/h
683:and
669:KTIV
449:NTSB
394:Crew
252:Crew
88:Site
78:loss
55:Date
5002:Ted
3932:at
3879:on
3856:at
3107:CBN
2750:PMC
2742:doi
2738:327
2734:BMJ
2525:UPI
1407:'s
1405:NPR
1312:on
1023:FAA
980:).
978:VAR
693:mph
492:in
480:in
320:in
304:in
300:to
296:in
279:184
271:171
263:112
247:285
239:296
80:of
5600::
3905:,
3725:.
3548:}}
3544:{{
3509:}}
3505:{{
3470:}}
3466:{{
3428:.
3424:.
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3364:.
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3199:/
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3140:.
3136:.
3109:.
3105:.
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3041:.
3006:.
2972:.
2921:.
2885:.
2849:.
2816:.
2783:.
2758:.
2748:.
2736:.
2732:.
2661:.
2619:.
2570:.
2540:^
2523:.
2493:.
2482:^
2424:.
2420:.
2394:.
2386:.
2382:.
2309:.
2298:^
2252:.
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2218:.
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2172:^
2115:.
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2087:}}
2083:{{
2067:.
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2028:.
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1671:^
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1469:).
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1427:).
500:.
255:11
228:,
224:,
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4007:)
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3976:v
3924:.
3826:.
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3767:.
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2327:.
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