61:, possibly leading to it overshooting the runway. Starting in the early 2000's, the environmental risk of certain firefighting foams began to be recognized, providing another reason against the practice.
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Accident investigation report: Pan
American World Airways, Inc., Boeing 377, N 90943 in the Pacific Ocean, between Honolulu and San Francisco, October 16, 1956
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recommended foam paths for emergency landings beginning in 1966, but withdrew that recommendation in 1987, although it did not bar its use. In 2002, a
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foam supplies in the event they were needed to respond to a fire. Also, foam on the runway may decrease the effectiveness of the landing airplane's
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recommended against using pre-foaming except in certain circumstances. In particular, the FAA was concerned that pre-foaming would deplete
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80:. The aircraft experienced a hydraulic failure that prevented the pilots from extending the landing gear, prompting them to perform a
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116:"CertAlert No. 02-04: Aqueous Film Forming Foam (AFFF) Concentrations, Restrictions, and Other User Guidelines"
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Foam is still used in aviation firefighting, usually in conjunction with
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An example of this practice being used in an emergency is
171:"B763, Warsaw Poland, 2011 | SKYbrary Aviation Safety"
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This technique was also used during the ditching of
91:in 1956 to "mark the ditching path and heading."
123:CertAlerts for Part 139 Airport Certification
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125:, Airport Safety and Operations Division,
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16:Aviation safety practice, deprecated
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241:lands in a foam path in the 1980s
27:practice of spreading a layer of
265:Aircraft rescue and firefighting
147:"How safe is firefighting foam?"
127:Federal Aviation Administration
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78:LOT Polish Airlines Flight 16
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206:, 1956-10-16, p. 5
204:Civil Aeronautics Board
23:is the now-discouraged
255:Firefighting equipment
29:fire suppression foam
227:Foam landing video
231:Piedmont Airlines
40:emergency landing
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151:FireRescue1
249:Categories
235:US Airways
210:2023-12-10
180:2023-12-10
156:2022-03-25
133:2023-12-10
95:References
45:The U.S.
21:foam path
72:Examples
66:Purple-K
51:circular
33:airport
260:Safety
59:brakes
36:runway
31:on an
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239:737
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19:A
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