754:
738:
42:
443:
770:
255:
51:
301:
200:
process, which is designed to untwist as the fan's rotational speed increases. While the LEAP is designed to operate at a higher pressure than the CFM56 (which is partly why it is more efficient), CFM plans to set the operating pressure lower than the maximum to maximize the engine's service life and
574:
In 2019, LEAP production rose to 1,736 engines, and orders and commitments reached 1,968 amid the 737 MAX groundings, compared with 3,211 for 2018, for a stable backlog of 15,614 (compared to 15,620). CFM expects to produce 1,400 LEAP engines in 2020, including an average of 10 weekly LEAP-1Bs for
582:
on the A320neo has motivated customers to choose LEAP engines. LEAP market share rose from 55% to 60% in 2016, but orders for 1,523 aircraft (29%) had not specified which engine would be chosen. From
January through early August 2017, 39 PW1100G engines versus 396 CFM LEAP engines were chosen. By
536:
From 460 in 2017, 1,100 LEAPs should be built in 2018, along with 1,050 CFM56s, as it encountered unexpected sales, to pass the record production of 1,900 engines in 2017. It will stay at over 2,000 engines per year as 1,800 LEAPs should be produced in 2019, while CFM56 production will drop, then
398:
By July 2018, the LEAP had an eight-year backlog with 16,300 sales. At that time, more LEAPs were produced in the five years it was on sale than CFM56s in 25 years. It is the second-most ordered jet engine behind the 44-year-old CFM56, which achieved 35,500 orders. Also, on the A320neo, where the
575:
the Boeing 737 Max. By March 2022, CFM intended to output 2,000 engines in 2023, up from 845 deliveries in 2021. In 2023, CFM booked over 2,500 orders, resulting in a backlog of 10,675, delivered 1,570 Leap engines, up by 38% from 1,136 in 2022, and was expecting 20-25% more deliveries for 2024.
629:) to troubleshoot in-service engines, including potentially LEAP-1Bs. Forty LEAP-1A were replaced and the part should be replaced in over 500 in-service engines, while shipments are four weeks behind schedule. Deliveries with the permanent CMC environmental-barrier coating fix began in June.
652:
to storage without passengers, but soon after problems with one of the engines caused an emergency landing at the same airport. Southwest then inspected 12 LEAP engines, and two other airlines also inspected their engines. CFM recommended replacing the fuel nozzles more often due to
462:
introduction, CFM delivered 257 LEAPs in the first three quarters of 2017, including 110 in the third: 49 to Airbus and 61 to Boeing, and targets 450 in the year. CFM was to produce 1,200 engines in 2018, 1,900 in 2019, and 2,100 in 2020. This is compared to the 1,700
324:
on 6 October 2014. The -1C version features a thrust reverser equipped with a one-piece O-ring replacing a two-piece door. The thrust reverser is deployed by the O-ring sliding aft, reducing the drag that was induced by the older design and improving efficiency.
583:
2024, the LEAP was selected for 75% of the A320neo orders. As an example of PW1100G reliability issues, 9% of LEAP-powered A320neos were out of service for at least one week in July 2017, compared with 46% of those using the PW1100G.
2096:
2172:
293:
for aircraft certification and test programs. The first engine entering the test program reached and sustained 33,000 lbf (150 kN) of thrust, required to satisfy the highest rating for the
3130:
2880:
2553:
2695:
3088:
2846:
2726:
2784:
1653:
219:-based oil cooling system similar to that of the GEnx, featuring coolers mounted on the inner lining of the fan duct. According to Aviation Week's article, "The eductor device produces a
2295:
246:. Experts believe that the LEAP-1C is actually an upgraded version of the prior-generation CFM56. Compared to the similarly sized LEAP-1A, the -1C is heavier and produces less thrust.
3264:
1502:
1427:
2815:
2757:
2523:
2424:
1947:
2455:
2329:
2008:
1574:
1536:
470:
To cope with the demand, CFM is duplicating supply sources on 80% of parts and even subdivide assembly sites, already shared between GE and Safran. GE assembles its production in
3187:
737:
2618:
2486:
2122:
1858:
1776:
2269:
753:
2939:
262:
The LEAP incorporates technologies that CFM developed as part of the LEAP56 technology acquisition program, which CFM launched in 2005. The engine was officially launched as
235:
3013:
2969:
2092:
2663:
1977:
1799:
2584:
2390:
563:) due to the negative margins and initial costs of LEAP production, before a positive contribution expected in the second half. Revenues should grow by 15% in 2019 but
2070:
380:
CFM International offers rate-per-flight-hour support agreements (also known as "power by the hour" agreements) for the engine. For a LEAP-1A engine, costs are around
2191:
1920:
3063:
1458:
215:(CMC) to build the turbine shrouds. These technological advances are projected to produce 16% lower fuel consumption. Reliability is also supported by use of an
3222:
2208:
2169:
281:. The aircraft was due to begin testing in 2016. In total, 28 test engines will be used by CFM to achieve engine certification, and 32 others will be used by
599:
on LEAP-1B low-pressure turbine disks during assembly for possibly 30 engines, and CFM is working to minimize flight-test and customer-delivery disruptions.
208:
The high-pressure (HP) compressor operates at up to a 22:1 compression ratio, which is roughly double the corresponding value for the CFM56's HP compressor.
3257:
2243:
769:
431:
3122:
2869:
1746:
1685:
3780:
355:
announced that it planned to purchase 100 Boeing 737 aircraft featuring the LEAP-1B engine. The project was approved by Boeing on 30 August 2011, as the
2039:
1606:
2359:
2641:
2545:
2687:
274:
197:
2838:
478:, US facility. As more than 75% of the engine comes from suppliers, critical parts suppliers pass “run-rate stress tests” lasting two to 12 weeks.
3096:
2718:
3227:
2780:
3250:
2291:
3770:
2992:
1494:
1419:
2807:
2749:
2515:
2416:
513:
In mid-June 2018, deliveries remained four to five weeks behind schedule, down from six, and should catch up in the fourth quarter as the
2447:
2321:
2000:
1710:
1630:
1566:
1528:
1939:
3183:
2610:
2478:
2148:
2118:
1869:
3443:
2265:
3733:
2931:
1768:
205:
fan in the compressor, a second-generation Twin
Annular Pre-mixing Swirler (TAPS II) combustor, and a bypass ratio around 10–11:1.
3024:
2961:
1898:
328:
In April 2015, it was reported that the LEAP-1B was suffering up to a 5% shortfall on its promised reduction in fuel consumption.
3785:
3507:
867:
243:
3775:
3607:
340:
336:
3232:
2576:
1969:
1803:
595:
with 8 hours of daily operation, while the A320neo LEAP-1A surpassed 10 hours per day by July. Safran discovered a production
3301:
2382:
3484:
2062:
1924:
223:, which ensures a positive pressure to keep oil in the lower internal sump." The engine has some of the first FAA-approved
3653:
2909:
2188:
645:
403:, the LEAP had captured a 59% market share in July 2018. By comparison, the CFM56 had a 60% share of the prior-generation
3161:
3056:
1826:
3702:
3631:
3535:
3530:
3567:
1454:
3451:
2212:
1385:
579:
499:
400:
177:
2209:"Southwest Airlines Will Become Launch Customer for the New Boeing 737 Max Aircraft – Southwest Airlines Newsroom"
547:
with 1,119 engine deliveries; declining sales of CFM56 (258 sold), more than offset by LEAP (861 sold). Recurring
41:
3682:
1363:
633:
568:
427:
2235:
1738:
1680:
1397:
607:
442:
212:
2031:
3585:
3552:
3376:
3340:
1602:
1358:
603:
596:
313:
267:
169:
136:
2351:
3747:
3727:
3639:
3513:
3397:
3322:
1026:
857:
619:
475:
192:
The LEAP's basic architecture includes a scaled-down version of Safran's low-pressure turbine used on the
3696:
3560:
3419:
744:
688:
193:
140:
106:
618:
inspection, creating a leaking gap: eight in-service engines are seeing their coating replaced. Safran
3660:
813:
368:
181:
153:
3326:
3291:
391:
In 2016, CFM booked 1,801 orders, and the LEAP backlog stood at more than 12,200, worth more than
3405:
1380:
637:
514:
495:
471:
360:
3723:
3625:
3478:
1699:
479:
254:
3741:
3599:
3368:
3346:
1742:
1621:
1423:
352:
157:
86:
3216:
3621:
3474:
3274:
1529:"MID SUPPLY CHAIN RECOVERY CFM's Leap deliveries doubled in 2018 amid supply chain recovery"
820:
548:
455:
321:
216:
2144:
1827:"China Preps To Launch Its First Big Passenger Jet. It's No Threat To Boeing Or Airbus—Yet"
297:. The same engine ultimately reached 35,000 lbf (160 kN) of thrust in test runs.
234:
reportedly lacks many of the improvements of the other LEAP models, over concerns that the
3498:
3437:
3391:
2195:
2176:
201:
reliability. Currently proposed for the LEAP is a greater use of composite materials, a
17:
3645:
3425:
2842:
760:
704:
564:
491:
451:
423:
356:
294:
220:
110:
3764:
3411:
2874:
1894:
1800:"The FAA Cleared the First 3D Printed Part to Fly in a Commercial Jet Engine from GE"
1375:
507:
239:
161:
2145:"Boeing and American Airlines Agree on Order for up to 300 Airplanes – Jul 20, 2011"
410:
In 2020, GE Aviation reported that CFM had lost 1,900 orders for LEAP engines worth
50:
3459:
3433:
3332:
898:
649:
530:
165:
2664:"Leap sales 'not threatened' by GTF Advantage performance gain, says Safran chief"
3242:
3089:"Comparing the new technology Narrow-body engines: GTF vs LEAP maintenance costs"
3593:
3354:
592:
526:
300:
3237:
486:
geared turbofan including a critical shortage of the unique aluminium-titanium
3688:
3674:
3360:
3153:
776:
720:
503:
317:
231:
224:
114:
3211:
2905:
3613:
3579:
3522:
3464:
830:
641:
615:
487:
3492:
3313:
3282:
363:
is the launch customer of the 737 MAX with a firm order of 150 aircraft.
66:
2870:"CFM Monitoring Leap Fleet For Issue Linked To Southwest Engine Failure"
3714:
840:
522:
518:
483:
459:
404:
305:
1859:"Type Certificate data sheet for LEAP-1A & LEAP-1C Series Engines"
3575:
3546:
3295:
971:
654:
286:
282:
2719:"Issues With Newest Engines Provide Early MRO-Proving Opportunities"
591:
The Boeing 737 MAX LEAP-1B started revenue service in May 2017 with
1420:"CFM launches a new era as first LEAP engine begins ground testing"
3668:
2688:"Pratt's $ 10 Billion Jet Engine Lags GE by 10-to-1 on New Orders"
464:
441:
332:
299:
290:
253:
202:
173:
2837:
Schlangenstein, Mary; Clough, Rick; Levin, Alan (17 April 2019).
2170:
Boeing
Confirms Duopoly With Airbus Announcing Re-Engining Of 737
1057:
77 delivered in 2016, 460 in 2017, 1,118 in 2018, 861 in H1 2019.
3020:
2642:"GE Aviation confident in ability to double Leap output by 2023"
1865:
542:
278:
242:
engine being developed by another state-owned manufacturer, the
3246:
2546:"CFM confirms initial LEAP-1A and LEAP-1B assembly allocation"
2292:"Zhejiang Loong Air signs RPFH agreement for CFM56-5B engines"
1853:
1851:
1849:
1847:
835:
TAPS II (second-generation Twin-Annular, Pre-mixing
Swirler)
2093:"Engine problems aren't Propulsion South Carolina's problem"
540:
Over the first half of 2019, CFM revenues were up by 23% to
3123:"Aviadvigatel Mulls Higher-thrust PD-14s To Replace PS-90A"
3008:
3006:
2448:"GE ups production target to meet Boeing and Airbus demand"
3184:"LEAP-1C: integrated propulsion system for the Comac C919"
2839:"Airlines to Conduct Engine Checks on Grounded Boeing Max"
2750:"CFM reviews fleet after finding Leap-1A durability issue"
482:
acknowledges a production ramp-up bottleneck on its rival
3228:
CFM ready to advance LEAP-X schedule; opens way for 737RE
2993:"'A new beginning': Comac C919 enters commercial service"
502:, Safran and GE each assemble half of the annual volume.
266:
on 13 July 2008. It is intended to be a successor to the
3014:"Type Certificate data sheet for LEAP-1B Series Engines"
2417:"Safran Reveals Leap Turbine Shroud Coating Issue Issue"
1414:
1412:
1066:
fan case forward flange to turbine rear frame aft flange
1940:"CFM International to provide engines for COMAC's C919"
2516:"New GE plant highlights CFM ramp-up strategy on Leap"
2266:"ALC finalizes $ 348 million CFM LEAP-1B engine order"
2001:"First Leap-powered A320neo moved to flight-test team"
1457:(Press release). CFM International. 14 February 2017.
537:
2,000 in 2020. In 2018, 1,118 engines were delivered.
312:
CFM carried out the first test flight of a LEAP-1C in
196:
engine. The fan has flexible blades manufactured by a
58:
Mockup of a LEAP-X, the early code name of the engine
2681:
2679:
2677:
2236:"Lion Group completes $ 5.5 billion LEAP-1A purchase"
2119:"LEAP engines awarded 180-minute ETOPS certification"
1921:"CFM Laying the Technology Foundation for the Future"
1654:"Taking the LEAP: CFM's successor to the fabulous 56"
1567:"Leap production edges towards positive contribution"
525:
improves. The production has no single manufacturing
2577:"Leap Engine Deliveries To Airbus Still Challenging"
2063:"CFM Marks 40th Anniversary With Leap-1 Flight Test"
450:
In 2016, the engine was introduced in August on the
388:
per engine, per day for the prior-generation CFM56.
3740:
3722:
3713:
3695:
3681:
3667:
3652:
3638:
3620:
3606:
3592:
3574:
3559:
3544:
3520:
3505:
3491:
3473:
3450:
3432:
3418:
3404:
3390:
3367:
3353:
3339:
3321:
3312:
3290:
3281:
2189:
Boeing rendering illustrates major changes to 737NE
775:The LEAP-1C is the exclusive engine option for the
759:The LEAP-1B is the exclusive engine option for the
2657:
2655:
2604:
2602:
2510:
2508:
2506:
2504:
2479:"CFM quietly confident on Leap production ramp-up"
2410:
2408:
2322:"CFM looks to another Leap forward at Farnborough"
2315:
2313:
2121:(Press release). CFM International. 21 June 2017.
1769:"New engines: flurry of activity despite downturn"
1679:
1620:
2611:"CFM to build 10 737 Max engines weekly for 2020"
2383:"GE Aviation lost 1,900 Leap orders in 12 months"
1603:"Smooth Start To Fast-Paced Leap-1A Test Program"
1495:"CFM Confident Leap Production Can Catch Up Soon"
1075:fan cowl hinge beam front to centre vent tube end
3051:
3049:
3047:
3045:
2211:. Swamedia.com. 13 December 2011. Archived from
1733:
1731:
1560:
1558:
1556:
1554:
1522:
1520:
743:The LEAP-1A is one of two engine options on the
29:Aircraft turbofan engine, successor to the CFM56
3116:
3114:
2962:"Malindo operates world's first 737 Max flight"
2932:"Pegasus starts flying Leap-1A-powered A320neo"
2779:Rick Clough and Julie Johnsson (5 March 2018).
1681:"Pratt Targets Hot, Rotating Blade Use Of CMCs"
498:deliveries. Safran assembles its production in
3258:
1923:(Press release). 13 June 2005. Archived from
1488:
1486:
1484:
1482:
1480:
1478:
1476:
8:
2032:"CFM Lifts Veil On Leap Engine Test Details"
1970:"CFM to finish Leap core testing by mid-May"
725:27,980–30,000 lbf (124.5–133.4 kN)
432:impact of the COVID-19 pandemic on aviation
316:, with the engine mounted on the company's
3719:
3318:
3287:
3265:
3251:
3243:
2609:David Kaminski-Morrow (27 February 2020).
1565:David Kaminski-Morrow (5 September 2019).
1449:
1447:
1445:
1081:
788:
422:. More than 1,000 cancellations came from
152:("Leading Edge Aviation Propulsion") is a
2352:"GE/CFM in "lockstep" with Boeing on NMA"
3154:"PD-14: New generation engine for MC-21"
2808:"CFM Fixes Leap Turbine Shroud Coatings"
1596:
1594:
1592:
709:23,000–29,000 lbf (100–130 kN)
693:24,500–35,000 lbf (109–156 kN)
664:
606:shift was noticed during a flight and a
567:depends on the return to service of the
2900:
2898:
2477:Max Kingsley-Jones (15 November 2016).
1999:david kaminski morrow (22 April 2015).
1455:"2016 CFM orders surpass 2,600 engines"
1408:
1050:
733:
3238:Plane makers switch to cleaner engines
3186:. Safran Aircraft Engines. June 2015.
2729:from the original on 20 September 2017
2298:from the original on 23 September 2015
2272:from the original on 16 September 2017
2147:. Boeing.mediaroom.com. 20 July 2011.
1825:Bogaisky, Jeremy (20 September 2022).
1688:from the original on 28 September 2018
1652:Chandler, Jerome Greer (18 May 2017).
1609:from the original on 28 September 2018
879:0.51 lb/lbf/h (14.4 g/kN/s)
876:0.53 lb/lbf/h (15.0 g/kN/s)
873:0.51 lb/lbf/h (14.4 g/kN/s)
399:engine competes head-to-head with the
31:
2972:from the original on 13 November 2018
2912:from the original on 3 September 2018
2556:from the original on 25 December 2017
2526:from the original on 17 November 2016
2489:from the original on 15 November 2016
2362:from the original on 10 December 2019
2268:(Press release). CFM. 8 August 2017.
2151:from the original on 9 September 2011
2073:from the original on 30 November 2014
2042:from the original on 11 February 2019
1980:from the original on 3 September 2014
1950:from the original on 15 November 2019
1901:from the original on 3 September 2018
1577:from the original on 5 September 2019
1461:from the original on 10 December 2019
846:
611:
506:plan to produce 120,000–130,000 LEAP
418:each), reducing the backlog value to
7:
3164:from the original on 26 January 2022
3121:Vladimir Karnozov (19 August 2019).
2760:from the original on 30 October 2017
2621:from the original on 26 January 2022
2581:Aviation Week & Space Technology
2427:from the original on 31 October 2017
2067:Aviation Week & Space Technology
2036:Aviation Week & Space Technology
1707:Aviation Week & Space Technology
1627:Aviation Week & Space Technology
1539:from the original on 26 October 2019
1527:Jon Hemmerdinger (1 February 2019).
965:3,935 kg (8,675 lb) (Wet)
850:
458:and CFM delivered 77 LEAP. With the
430:, while the remainder came from the
2781:"Fix for New Boeing, Airbus Planes"
2748:Stephen Trimble (30 October 2017).
2698:from the original on 23 August 2017
2294:. Aviation News Ltd. 15 June 2015.
962:2,780 kg (6,130 lb) (Dry)
959:3,153 kg (6,951 lb) (Wet)
3190:from the original on 21 April 2017
2849:from the original on 18 April 2019
2662:Dominic Perry (18 February 2024).
2640:Jon Hemmerdinger (11 March 2022).
2587:from the original on 23 March 2018
2415:Sean Broderick (31 October 2017).
2393:from the original on 28 April 2021
2381:Jon Hemmerdinger (27 April 2021).
2246:from the original on 31 March 2018
2099:from the original on 24 April 2015
2011:from the original on 25 April 2015
614:turbine was seen flaking off in a
230:The LEAP-1C for the Chinese-built
25:
3781:General Electric aircraft engines
3095:. 9 November 2011. Archived from
3069:from the original on 4 April 2018
2942:from the original on 26 June 2018
2868:Broderick, Sean (18 April 2019).
2818:from the original on 17 July 2018
2787:from the original on 6 March 2018
2717:Sean Broderick (31 August 2017).
2458:from the original on 19 June 2017
2332:from the original on 15 July 2018
1430:from the original on 20 June 2015
578:The troubled introduction of the
474:, US in addition to its previous
384:per engine, per day, compared to
277:selected the LEAP engine for the
3133:from the original on 16 May 2021
3062:. CFM International. June 2017.
2806:Chris Kjelgaard (17 July 2018).
2575:Thierry Dubois (15 March 2018).
2446:Stephen Trimble (19 June 2017).
2320:Stephen Trimble (15 July 2018).
2125:from the original on 22 May 2018
1749:from the original on 5 July 2018
1716:from the original on 5 July 2018
1633:from the original on 5 July 2018
1505:from the original on 5 July 2018
768:
752:
736:
666:CFM International LEAP variants
510:in 2018 up from 50,000 in 2017.
426:orders being canceled among the
244:Aero Engine Corporation of China
49:
40:
3233:A320 re-engine decision in 2010
3152:Fomin, Andrey (December 2011).
2883:from the original on 5 May 2019
2030:Guy Norris (20 November 2015).
1895:"LEAP Turbofan Engine, History"
1798:Tomas Kellner (14 April 2015).
1779:from the original on 9 May 2018
1739:"CFM Unveils New LEAP-X Engine"
1493:Chris Kjelgaard (4 July 2018).
825:1 fan, 3-stage LP, 10-stage HP
366:The list price of a LEAP-1A is
341:European Aviation Safety Agency
337:Federal Aviation Administration
304:The LEAP-1A was tested on GE's
3023:. 16 June 2017. Archived from
2686:Rick Clough (22 August 2017).
2061:Guy Norris (13 October 2014).
1601:Guy Norris (28 October 2013).
1334:133.22 kN (29,950 lb
1327:137.14 kN (30,830 lb
1312:127.93 kN (28,760 lb
1305:129.98 kN (29,220 lb
1290:127.62 kN (28,690 lb
1283:130.41 kN (29,320 lb
1268:121.31 kN (27,270 lb
1261:124.71 kN (28,040 lb
1246:115.47 kN (25,960 lb
1239:119.15 kN (26,790 lb
1200:140.96 kN (31,690 lb
1193:143.05 kN (32,160 lb
1178:118.68 kN (26,680 lb
1171:130.29 kN (29,290 lb
1156:118.68 kN (26,680 lb
1149:120.64 kN (27,120 lb
1134:106.76 kN (24,000 lb
1127:106.80 kN (24,010 lb
1112:104.58 kN (23,510 lb
1105:106.80 kN (24,010 lb
1016:133.22 kN (29,950 lb
1009:127.62 kN (28,690 lb
1002:140.96 kN (31,690 lb
990:137.14 kN (30,830 lb
983:130.41 kN (29,320 lb
976:143.05 kN (32,160 lb
1:
3223:CFM Unveils New LEAP-X Engine
1868:. 30 May 2018. Archived from
1709:. 27 April 2015. p. 55.
951:2.714 m (106.9 in)
937:2.659 m (104.7 in)
923:4.505 m (177.4 in)
646:Orlando International Airport
632:On 26 March 2019, due to the
172:. It is the successor of the
3771:High-bypass turbofan engines
1678:Guy Norris (13 April 2015).
931:2.543 m (100.1 in)
920:3.147 m (123.9 in)
917:3.328 m (131.0 in)
862:40:1 (50:1 at top of climb)
2991:Alfred Chua (28 May 2023).
2234:Alan Dron (30 March 2018).
1386:Pratt & Whitney PW1000G
948:2.256 m (88.8 in)
945:2.362 m (93.0 in)
934:2.421 m (95.3 in)
580:Pratt & Whitney PW1100G
401:Pratt & Whitney PW1000G
331:It obtained its 180-minute
178:Pratt & Whitney PW1000G
3802:
3452:International Aero Engines
890:69.4 in (176 cm)
602:In early October 2017, an
236:technology could be stolen
3683:MTU Turbomeca Rolls-Royce
1364:General Electric Passport
1199:
1192:
893:77 in (196 cm)
861:
849:, 7-stage (-1B: 5-stage)
844:
834:
824:
811:
634:Boeing 737 MAX groundings
533:for every critical part.
428:Boeing 737 MAX groundings
213:ceramic matrix composites
57:
48:
39:
34:
1398:List of aircraft engines
887:78 in (198 cm)
18:CFM International LEAP-X
3786:Snecma aircraft engines
2194:16 October 2014 at the
1359:CFM International CFM56
999:Max. continuous thrust
604:exhaust gas temperature
446:side view with cutaways
335:approval from the U.S.
314:Victorville, California
170:Safran Aircraft Engines
137:CFM International CFM56
3776:2010s turbofan engines
3640:Europrop International
858:Overall pressure ratio
610:shroud coating in the
529:by selecting multiple
476:Durham, North Carolina
447:
309:
259:
198:resin transfer molding
176:and competes with the
150:CFM International LEAP
3697:Rolls-Royce Turbomeca
3561:Rolls-Royce Turbomeca
3420:GE Honda Aero Engines
2908:. CFM International.
2723:Aviation Week Network
2421:Aviation Week Network
2240:Aviation Week Network
745:Airbus A320neo family
689:Airbus A320neo family
555:, but was reduced by
445:
308:flying test platform.
303:
257:
141:General Electric GEnx
107:Airbus A320neo family
78:France/United States
2552:. 15 December 2016.
2522:. 16 November 2016.
2175:5 March 2016 at the
1946:. 21 December 2009.
1802:. GE. Archived from
1426:. 6 September 2013.
814:high bypass turbofan
657:, a carbon buildup.
238:and put it into the
182:narrow-body aircraft
154:high-bypass turbofan
3724:Pratt & Whitney
3626:Pratt & Whitney
3479:Pratt & Whitney
3327:Rolls-Royce Limited
1929:. CFM International
1927:on 29 October 2009.
1353:Related development
1084:
791:
667:
480:Pratt & Whitney
156:engine produced by
3406:EuroJet Turbo GmbH
3273:Joint development
3160:. pp. 20–21.
2215:on 15 October 2014
2198:. flightglobal.com
1875:on 13 October 2018
1775:. 6 October 2009.
1622:"Pressure testing"
1381:Aviadvigatel PD-14
1370:Comparable engines
1082:
789:
665:
638:Southwest Airlines
500:Villaroche, France
496:Bombardier CSeries
472:Lafayette, Indiana
467:produced in 2016.
448:
361:Southwest Airlines
310:
260:
126:2,516 (June 2019)
102:Major applications
3758:
3757:
3754:
3753:
3742:CFM International
3709:
3708:
3369:CFM International
3308:
3307:
2938:. 2 August 2016.
2906:"The Leap Engine"
2358:. 22 March 2018.
1976:. 28 April 2010.
1743:CFM International
1741:(Press release).
1424:CFM International
1345:
1344:
1047:
1046:
732:
731:
353:American Airlines
351:On 20 July 2011,
343:on 19 June 2017.
164:between American
158:CFM International
146:
145:
96:4 September 2013
87:CFM International
16:(Redirected from
3793:
3720:
3434:General Electric
3319:
3288:
3267:
3260:
3253:
3244:
3200:
3199:
3197:
3195:
3180:
3174:
3173:
3171:
3169:
3149:
3143:
3142:
3140:
3138:
3118:
3109:
3108:
3106:
3104:
3099:on 18 April 2015
3085:
3079:
3078:
3076:
3074:
3068:
3061:
3053:
3040:
3039:
3037:
3035:
3029:
3018:
3010:
3001:
3000:
2988:
2982:
2981:
2979:
2977:
2958:
2952:
2951:
2949:
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2928:
2922:
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2902:
2893:
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2865:
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2834:
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2797:
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2745:
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2683:
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2659:
2650:
2649:
2637:
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2606:
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2542:
2536:
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2533:
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2474:
2468:
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2437:
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2398:
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2371:
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2317:
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2288:
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2279:
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2256:
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2253:
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2231:
2225:
2224:
2222:
2220:
2205:
2199:
2186:
2180:
2167:
2161:
2160:
2158:
2156:
2141:
2135:
2134:
2132:
2130:
2115:
2109:
2108:
2106:
2104:
2089:
2083:
2082:
2080:
2078:
2058:
2052:
2051:
2049:
2047:
2027:
2021:
2020:
2018:
2016:
1996:
1990:
1989:
1987:
1985:
1966:
1960:
1959:
1957:
1955:
1936:
1930:
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1917:
1911:
1910:
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1891:
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1880:
1874:
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1837:
1822:
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1811:
1795:
1789:
1788:
1786:
1784:
1765:
1759:
1758:
1756:
1754:
1745:. 13 July 2008.
1735:
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1715:
1704:
1697:
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1471:
1470:
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1437:
1435:
1416:
1085:
1076:
1073:
1067:
1064:
1058:
1055:
852:
848:
792:
790:The LEAP Family
772:
756:
740:
668:
644:) took off from
628:
624:
613:
569:grounded 737 MAX
562:
558:
554:
549:operating income
546:
456:Pegasus Airlines
421:
417:
413:
412:US$ 13.9 billion
394:
387:
383:
376:
375:US$ 14.5 million
372:
322:testbed aircraft
133:
123:
103:
75:
53:
44:
32:
21:
3801:
3800:
3796:
3795:
3794:
3792:
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3691:
3677:
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3602:
3588:
3570:
3555:
3540:
3516:
3501:
3487:
3469:
3446:
3428:
3414:
3400:
3392:Engine Alliance
3386:
3363:
3349:
3341:BMW Rolls-Royce
3335:
3304:
3277:
3271:
3219:on GE Aerospace
3208:
3203:
3193:
3191:
3182:
3181:
3177:
3167:
3165:
3151:
3150:
3146:
3136:
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3120:
3119:
3112:
3102:
3100:
3087:
3086:
3082:
3072:
3070:
3066:
3059:
3057:"LEAP overview"
3055:
3054:
3043:
3033:
3031:
3030:on 4 April 2018
3027:
3016:
3012:
3011:
3004:
2990:
2989:
2985:
2975:
2973:
2968:. 22 May 2017.
2960:
2959:
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2945:
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2259:
2249:
2247:
2233:
2232:
2228:
2218:
2216:
2207:
2206:
2202:
2196:Wayback Machine
2187:
2183:
2177:Wayback Machine
2168:
2164:
2154:
2152:
2143:
2142:
2138:
2128:
2126:
2117:
2116:
2112:
2102:
2100:
2091:
2090:
2086:
2076:
2074:
2060:
2059:
2055:
2045:
2043:
2029:
2028:
2024:
2014:
2012:
1998:
1997:
1993:
1983:
1981:
1968:
1967:
1963:
1953:
1951:
1938:
1937:
1933:
1919:
1918:
1914:
1904:
1902:
1893:
1892:
1888:
1878:
1876:
1872:
1861:
1857:
1856:
1845:
1835:
1833:
1824:
1823:
1819:
1809:
1807:
1806:on 29 June 2017
1797:
1796:
1792:
1782:
1780:
1767:
1766:
1762:
1752:
1750:
1737:
1736:
1729:
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1717:
1713:
1702:
1698:
1691:
1689:
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1676:
1672:
1662:
1660:
1651:
1650:
1646:
1636:
1634:
1619:
1612:
1610:
1600:
1599:
1590:
1580:
1578:
1564:
1563:
1552:
1542:
1540:
1526:
1525:
1518:
1508:
1506:
1492:
1491:
1474:
1464:
1462:
1453:
1452:
1443:
1433:
1431:
1418:
1417:
1410:
1406:
1350:
1337:
1330:
1315:
1308:
1293:
1286:
1271:
1264:
1249:
1242:
1203:
1196:
1181:
1174:
1159:
1152:
1137:
1130:
1115:
1108:
1094:Max. Continuous
1091:Take-Off Thrust
1083:Thrust ratings
1080:
1079:
1074:
1070:
1065:
1061:
1056:
1052:
1042:
1037:
1032:
1019:
1012:
1005:
993:
986:
979:
787:
780:
773:
764:
757:
748:
741:
663:
626:
622:
589:
561:US$ 118 million
560:
556:
552:
551:rose by 34% to
541:
440:
420:US$ 259 billion
419:
416:US$ 7.3 million
415:
411:
395:at list price.
393:US$ 170 billion
392:
385:
381:
377:for a LEAP-1B.
374:
367:
349:
252:
190:
139:
131:
121:
113:
109:
101:
74:National origin
73:
30:
23:
22:
15:
12:
11:
5:
3799:
3797:
3789:
3788:
3783:
3778:
3773:
3763:
3762:
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3752:
3751:
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3732:
3730:
3717:
3711:
3710:
3707:
3706:
3701:
3699:
3693:
3692:
3687:
3685:
3679:
3678:
3673:
3671:
3665:
3664:
3661:Ardiden/Shakti
3659:
3657:
3650:
3649:
3644:
3642:
3636:
3635:
3630:
3628:
3618:
3617:
3612:
3610:
3604:
3603:
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3596:
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3298:
3285:
3279:
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3269:
3262:
3255:
3247:
3241:
3240:
3235:
3230:
3225:
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3214:
3207:
3206:External links
3204:
3202:
3201:
3175:
3144:
3110:
3080:
3041:
3002:
2983:
2953:
2923:
2894:
2860:
2843:Bloomberg News
2829:
2798:
2771:
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2709:
2673:
2651:
2632:
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2537:
2500:
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2373:
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2283:
2257:
2226:
2200:
2181:
2162:
2136:
2110:
2084:
2069:. p. 40.
2053:
2022:
1991:
1961:
1931:
1912:
1886:
1843:
1817:
1790:
1760:
1727:
1670:
1644:
1629:. p. 43.
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1007:
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988:
984:
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970:Max. take-off
967:
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949:
946:
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935:
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810:
809:Configuration
806:
805:
802:
799:
796:
786:
785:Specifications
783:
782:
781:
774:
767:
765:
761:Boeing 737 MAX
758:
751:
749:
742:
735:
730:
729:
726:
723:
718:
714:
713:
710:
707:
705:Boeing 737 MAX
702:
698:
697:
696:2 August 2016
694:
691:
686:
682:
681:
678:
675:
672:
662:
659:
627:US$ 58 million
597:quality defect
588:
585:
565:free cash flow
508:turbine blades
492:Airbus A320neo
490:, hitting the
452:Airbus A320neo
439:
436:
424:Boeing 737 MAX
357:Boeing 737 MAX
348:
345:
295:Airbus A321neo
251:
248:
221:venturi effect
189:
186:
144:
143:
134:
132:Developed from
128:
127:
124:
118:
117:
111:Boeing 737 MAX
104:
98:
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94:
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84:
80:
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2:
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3218:
3215:
3213:
3212:CFM LEAP page
3210:
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3381:
3275:aero engines
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2733:20 September
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1432:. Retrieved
1391:
1390:
1369:
1368:
1352:
1351:
1097:Application
1071:
1062:
1053:
956:Max. weight
942:Max. height
899:Bypass ratio
812:Twin-spool,
728:28 May 2023
712:22 May 2017
674:Application
661:Applications
650:ferry flight
631:
601:
590:
577:
573:
557:€107 million
553:€1.2 billion
539:
535:
512:
469:
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409:
397:
390:
379:
371:14.5 million
365:
350:
330:
327:
311:
272:
263:
261:
258:18 blade fan
229:
227:components.
210:
207:
191:
166:GE Aerospace
149:
147:
122:Number built
26:
3594:Turbo-Union
3438:Rolls Royce
3355:CFE Company
3302:Olympus 593
3292:Rolls-Royce
2916:14 November
2625:27 February
2560:24 December
2550:MRO Network
2530:17 November
2493:15 November
2356:Leeham News
2077:12 December
2046:12 December
1581:5 September
1465:15 February
1434:7 September
1163:A319, A320
1141:A319, A320
1043:HP: 19,391
928:Max. width
623:€50 million
620:provisioned
593:Malindo Air
545:5.9 billion
527:choke point
250:Development
168:and French
3765:Categories
3656:/Turbomeca
3377:CFM56/F108
3127:AIN Online
3093:Airinsight
2812:AIN online
2764:30 October
2431:31 October
1879:12 October
1543:26 October
1499:AIN online
1404:References
1038:HP: 20,171
1033:HP: 19,391
870:at cruise
821:Compressor
777:Comac C919
721:Comac C919
587:Operations
504:Mecachrome
438:Production
318:Boeing 747
232:Comac C919
225:3D-printed
160:, a 50–50
115:Comac C919
93:First run
3580:Turbomeca
3523:MAN Turbo
3314:Turbofans
3283:Turbojets
2702:23 August
2692:Bloomberg
1905:16 August
1041:LP: 3,894
1036:LP: 4,586
1031:LP: 3,894
831:Combustor
642:737 MAX 8
616:borescope
531:suppliers
488:fan blade
386:US$ 1,852
382:US$ 3,039
273:In 2009,
211:CFM uses
180:to power
3715:Propfans
3675:T800-LHT
3646:TP400-D6
3632:T800-APW
3493:PowerJet
3460:SuperFan
3217:CFM LEAP
3188:Archived
3168:7 August
3162:Archived
3158:Take-off
3131:Archived
3064:Archived
2970:Archived
2946:3 August
2940:Archived
2910:Archived
2881:Archived
2847:Archived
2816:Archived
2785:Archived
2758:Archived
2727:Archived
2696:Archived
2619:Archived
2591:23 March
2585:Archived
2554:Archived
2524:Archived
2487:Archived
2456:Archived
2425:Archived
2397:28 April
2391:Archived
2366:22 March
2360:Archived
2330:Archived
2296:Archived
2270:Archived
2250:31 March
2244:Archived
2192:Archived
2179:. Forbes
2173:Archived
2149:Archived
2123:Archived
2103:20 April
2097:Archived
2071:Archived
2040:Archived
2015:22 April
2009:Archived
1978:Archived
1948:Archived
1899:Archived
1836:26 April
1810:22 April
1777:Archived
1747:Archived
1711:Archived
1686:Archived
1631:Archived
1607:Archived
1575:Archived
1537:Archived
1503:Archived
1459:Archived
1428:Archived
1348:See also
845:2-stage
804:LEAP-1C
801:LEAP-1B
798:LEAP-1A
523:forgings
519:castings
494:and the
407:market.
339:and the
240:CJ-1000A
67:Turbofan
3728:Allison
3485:RTF-180
3323:Allison
3194:4 April
3073:4 April
3034:4 April
2877:Network
2822:17 July
2791:6 March
2462:19 June
2336:15 July
2302:16 June
2129:21 June
1984:15 July
1954:15 July
1663:1 March
1088:Variant
914:Length
841:Turbine
515:quality
484:PW1100G
460:737 MAX
405:A320ceo
320:flying
306:747-400
217:eductor
3734:578-DX
3703:RTM322
3689:MTR390
3586:Larzac
3576:Snecma
3547:Snecma
3536:RB.193
3531:RB.153
3499:SaM146
3398:GP7000
3361:CFE738
3296:Snecma
3137:16 May
3103:31 May
2976:22 May
2219:31 May
2155:31 May
1831:Forbes
1783:5 July
1753:5 July
1720:5 July
1692:5 July
1637:5 July
1613:5 July
1509:5 July
1253:737-8
1228:-1A35A
972:thrust
795:Model
671:Model
655:coking
648:for a
373:, and
347:Orders
287:Boeing
283:Airbus
264:LEAP-X
188:Design
3669:LHTEC
3600:RB199
3568:Adour
3514:RJ500
3465:V2500
3426:HF120
3412:EJ200
3347:BR700
3067:(PDF)
3060:(PDF)
3028:(PDF)
3017:(PDF)
2887:5 May
2853:4 May
1873:(PDF)
1862:(PDF)
1714:(PDF)
1703:(PDF)
1341:C919
1324:-1C30
1319:C919
1302:-1C28
1280:-1B28
1258:-1B27
1236:-1B25
1231:A321
1223:A321
1220:-1A33
1215:A321
1212:-1A32
1207:A321
1190:-1A30
1185:A320
1168:-1A29
1146:-1A26
1124:-1A24
1119:A319
1102:-1A23
1025:Max.
909:11:1
465:CFM56
454:with
333:ETOPS
291:COMAC
275:COMAC
268:CFM56
203:blisk
174:CFM56
63:Type
35:LEAP
3748:RISE
3622:Avco
3614:T900
3608:ATEC
3553:M45H
3508:JAEC
3444:F136
3382:LEAP
3333:TF41
3196:2018
3170:2019
3139:2021
3105:2013
3075:2018
3036:2018
3021:EASA
2978:2017
2948:2016
2918:2016
2889:2019
2855:2019
2824:2018
2793:2018
2766:2017
2735:2017
2704:2017
2627:2020
2593:2018
2562:2017
2532:2016
2495:2016
2464:2017
2433:2017
2399:2021
2368:2018
2338:2018
2304:2015
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2252:2018
2221:2013
2157:2013
2131:2017
2105:2015
2079:2018
2048:2018
2017:2015
1986:2018
1956:2018
1907:2012
1881:2018
1866:EASA
1838:2024
1812:2015
1785:2018
1755:2018
1722:2018
1694:2018
1665:2022
1639:2018
1615:2018
1583:2019
1545:2019
1511:2018
1467:2017
1436:2013
903:11:1
868:TSFC
521:and
369:US$
289:and
279:C919
194:GEnx
148:The
3654:HAL
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