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20

The entire tail is shaking (not just the horizontal stabilizer) not because it's stalling but because it is in the turbulent wake of the main wing. The tail is generating downforce as you can see from the up elevator. The main wing's nose down pitching moment increases when the center of pressure shifts aft at stall, as well as the change in the overall ...


5

What you see here is not the actual stall of the horizontal stabilizer but the "rudder rattle" that indicates that the stall of the main wings is just about to happen. Airplanes are designed to have this "rudder rattle" as a mechanical way to warn the pilot.


1

On August 12, 1985, a Boeing 747SR operating as Japan Airlines Flight 123 lost its vertical stabilizer and crashed after the aircrew had struggled for 32 minutes to control the stricken airliner. It is the deadliest single-aircraft accident in aviation history; 498 of 502 aboard were killed.


1

Safety is absolute paramount in aviation. There is no industry in existence that has a higher safety standard than aviation. Aviation operates so called idiot proof systems. Routines that completely eliminate the possibility of failure. Pilots are never ever done learning to fly safe. In highly realistic simulator flights, pilots are taken through any ...


2

They are very strong and reliable. Occurences where they are completely broken off are extremely few and far apart, and in the cases that have happened, usually some kind of abuse took place, such as too harsh control inputs from pilots. In the case of American Airlines flight 587, the control system was also a contributing factor. Lesser damages, such as ...


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