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What Would Happen If...  
User currently offlineKLMBlue From United States of America, joined Nov 2000, 267 posts, RR: 0
Posted (15 years 3 months 1 day 6 hours ago) and read 2343 times:

What would happen if thrust reversers were applied during flight? Would the result be different for a 2,3 or 4 engined aircraft? I know that the result would not be good, but can anyone give me any specifics what would happen? Thanks in advance!!

6 replies: All unread, jump to last
User currently offlineDrukAir_BAe146 From , joined Dec 1969, posts, RR:
Reply 1, posted (15 years 3 months 1 day 6 hours ago) and read 2311 times:

see: EgyptAir 990

User currently offlineAV8N2 From United States of America, joined Feb 2001, 39 posts, RR: 0
Reply 2, posted (15 years 3 months 1 day 3 hours ago) and read 2282 times:

It really depends on the aircraft/engine combo. For example, I believe that the reversers on the B-707 (or maybe it's the DC-8?) are used as speed breaks in the air. I do know, however, that a reverser deployment on a 200 series 737 is quite a ride, but not terminal! The reversers on the CFMs (737 - 300+) are not nearly as effective, due to their cascading design.
BTW...Deployed thrust reversers did NOT bring down 990!

User currently offlineFlyVirgin744 From United States of America, joined Jul 1999, 1313 posts, RR: 1
Reply 3, posted (15 years 3 months 1 day 3 hours ago) and read 2270 times:

Here is a synopsis of the Lauda 767-300 crash in 1991.


Sometimes I go about in pity for myself and all the while a great wind carries me across the sky.
User currently offlineSushka From United States of America, joined Nov 1999, 4784 posts, RR: 13
Reply 4, posted (15 years 3 months 1 day 2 hours ago) and read 2251 times:

I read somewhere in a pilot manual to NEVER use the reversers in air. I didnt say why, but I guess it could be fatal.

Pershoyu Spravoyu Litaki!
User currently offlineAerLingus From China, joined Mar 2000, 2371 posts, RR: 0
Reply 5, posted (15 years 3 months 1 day 1 hour ago) and read 2242 times:

Well, on a shroud type reverser (MD-80), in-flight deployment could rip them (the reversers) right off the aeroplane.

Get your patchouli stink outta my store!
User currently offlineJetguy From , joined Dec 1969, posts, RR:
Reply 6, posted (15 years 3 months 1 day 1 hour ago) and read 2237 times:

DC-8s use them in flight as speed brakes. NASA's Grumman Gulfstream G-2 uses them along with extended main gear to simulate the Space Shuttle (Yee Haw!) However, as a general rule, the checklist for T/R deployment in flight is located with the Emergency Procedures Checklists if that tells you anything. I've never had it happen in flight, but in the simulator, the resulting ride can be anything from mild to wild depending upon the airspeed, altitude, and power setting at which they deploy.

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