Aviation

Popular Question

 Popular Question
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earned this badge 140 times.
Why does the FAA ban preboarding passengers from sitting in emergency-exit rows?
Awarded May 26 at 18:10
Why are the 737's variable-speed generator drives so unreliable?
Awarded May 18 at 8:06
Why are most of KBOS's instrument departures and arrivals jet-only?
Awarded Mar 27 at 15:08
Why do windowless cargo Metroliners still have overwing-exit hatches?
Awarded Mar 20 at 20:42
Why were most of the first-generation-Learjet wing mods never approved for the Learjet 23?
Awarded Mar 17 at 2:07
Are there any known instances of airline pilots passing off aerobatics as “turbulence”?
Awarded Mar 10 at 19:09
In aircraft where the thrust reversers are not locked out when airborne, is it permissible to go around after reverser deployment?
Awarded Mar 9 at 3:09
Why does spoiler extension cause straight-wing Learjets to pitch down, rather than up, and why did it take so long to discover this?
Awarded Feb 18 at 16:08
Can a helicopter's main rotor mince a human?
Awarded Feb 6 at 8:40
Why weren’t large, high-power radial engines built to take advantage of the Meredith effect?
Awarded Feb 5 at 6:04
Why do most U.S. cities with multiple airports try to concentrate airline operations at just one airport instead of spreading out the load?
Awarded Jan 25 at 12:40
Can any helicopters use negative collective to descend rapidly?
Awarded Jan 13 at 0:32
Why/how is a downplane parachute configuration aerodynamically stable?
Awarded Jan 3 at 15:26
Why can the A-10’s engines flame out merely from ingesting smoke from its gun?
Awarded Dec 16, 2022 at 20:50
Why does an A300/310 in LAND or GO-AROUND mode have to be at least 400 feet AGL for manual control column movement to disengage the autopilot?
Awarded Nov 19, 2022 at 22:48
Why are piston-engined aircraft generally exempted from U.S. flight recorder requirements?
Awarded Nov 4, 2022 at 0:57
Why do 20-series Learjets have such an extreme susceptibility to mach tuck?
Awarded Nov 2, 2022 at 23:50
Why aren't angle-of-attack data sanity-checked before being fed to other aircraft systems?
Awarded Sep 23, 2022 at 19:11
Did the cusp in the Boeing 377/C-97/KC-97’s fuselage structure cause fatigue problems?
Awarded Sep 12, 2022 at 21:35
Do aircraft using only spoilerons for roll control, with no conventional ailerons, have a crossover airspeed?
Awarded Sep 4, 2022 at 22:28
What prevents aircraft with a tailcone APU from using tail-mounted airbrakes?
Awarded Jun 28, 2022 at 8:47
Are aircraft certified for inflight thrust reversal required to demonstrate controllability in an asymmetric-reverse-thrust scenario?
Awarded Jun 21, 2022 at 3:17
Is night VMC still VMC if the underlying terrain is completely unlighted?
Awarded Jun 8, 2022 at 1:46
How controllable is the 737 in single-engine manual-reversion flight? Is it controllably landable (or go-around-able) in this condition?
Awarded May 5, 2022 at 8:45
How are the 737’s elevator and aileron cables attached to their control tabs without impeding the control surfaces’ motion under hydraulic power?
Awarded Apr 23, 2022 at 12:26
Why didn’t the Concorde have flap-canards like the Tu-144?
Awarded Apr 18, 2022 at 12:32
Why are the A300/310’s electric pitch trim switches inhibited with the autopilot engaged?
Awarded Apr 2, 2022 at 12:34
Why do the 747's wing gear tilt while airborne, but not its body gear?
Awarded Mar 28, 2022 at 15:17
Which popular turboprop engine feathers its propeller blades with each shutdown?
Awarded Feb 2, 2022 at 14:20
Why did the 707 and DC-8 continue to use the JT3D even after the JT8D became available?
Awarded Jan 16, 2022 at 18:06
How exactly do the Beechcraft 1900's stabilons work?
Awarded Jan 2, 2022 at 19:04
Why was the tip of the B-52's vertical tail chopped off in 1959?
Awarded Dec 22, 2021 at 18:30
Why is there this open gap (?) above the root of this DC-10's horizontal stabilizer?
Awarded Dec 20, 2021 at 18:33
Why aren't there any jets with horizontal-stabilizer-mounted engines? [duplicate]
Awarded Dec 20, 2021 at 16:32
Why don't multiengine aircraft have to demonstrate spin recoverability?
Awarded Dec 17, 2021 at 11:26
Why is the A330/A340's angle-of-attack protection disabled in alternate law, even if the AoA vanes are operating normally?
Awarded Dec 6, 2021 at 20:57
Why was the DC-8-70 successful, but not the 707-700?
Awarded Dec 5, 2021 at 21:08
What is this tab above the DC-10's #2 engine? [duplicate]
Awarded Oct 27, 2021 at 19:18
When were the last subsonic turbojet-powered airliners retired from commercial passenger service?
Awarded Oct 24, 2021 at 6:32
Why aren’t there any lifting-canard airliners?
Awarded Oct 6, 2021 at 14:35
Can motorjets be a viable means of propulsion?
Awarded Oct 4, 2021 at 20:42
Why doesn't the 737 MAX have an APU EGT gauge like all other 737s do?
Awarded Sep 26, 2021 at 21:25
Are 737 pilots required to train in manual-reversion flight?
Awarded Sep 21, 2021 at 10:57
Why was the B-52's wet wing more susceptible to fatigue than its dry wing, and not less?
Awarded Sep 16, 2021 at 22:55
Why would one want to slow to V2 following an engine failure during takeoff?
Awarded Aug 27, 2021 at 21:11
Why do the A320’s primary flight controls have hydromechanical backups only for the rudder?
Awarded Aug 23, 2021 at 9:25
How is the debris deflector on the DC-9-80 ("MD-80")'s nose gear kept from striking the ground during landing?
Awarded Aug 19, 2021 at 18:51
Why aren't there aircraft with forward-mounted vertical stabilizers? [duplicate]
Awarded Aug 19, 2021 at 17:16
Why does spin recovery involve cutting the throttle?
Awarded Jul 13, 2021 at 4:06
Why don't militaries use ram-air parachutes?
Awarded Jul 9, 2021 at 13:07
Why does the A320’s maximum allowable aileron deflection decrease, rather than increase, when the flaps are extended?
Awarded Jul 1, 2021 at 7:32
Why don’t large aircraft (larger than ~737-size) have even partial manual-reversion capability?
Awarded Jun 12, 2021 at 10:21
Why was the 737 main rudder servo valve’s vulnerability to causing uncommanded reversals never discovered in testing?
Awarded May 29, 2021 at 22:41
How do balloon pilots avoid birdstrikes?
Awarded May 10, 2021 at 23:50
Why was the Electra uniquely vulnerable to whirl-mode flutter?
Awarded Apr 30, 2021 at 1:33
Why can a localiser be used without a glideslope, but not vice versa?
Awarded Apr 20, 2021 at 20:43
Is it possible for a fighter jet to shoot itself down with an IR missile?
Awarded Apr 19, 2021 at 18:51
Why is alcoholic gasoline such a showstopper for aviation?
Awarded Apr 18, 2021 at 12:53
Are there any passenger aircraft with no cabin access to/from the cockpit?
Awarded Apr 14, 2021 at 22:44
Why do aircraft stall warning systems use angle-of-attack vanes rather than detecting airflow separation directly?
Awarded Mar 10, 2021 at 3:16
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