1 Even/Odd | Trimmable Horizontal Stabilizer Flashcards
1
Q
If no hydraulic power is available, what is the impact on the THS?
A
The THS is jammed.
2
Q
What happens to the THS after landing?
A
The trim automatically resets to zero
Following nosewheel touchdown, as the pitch attitude becomes less than 2.5° for more than 5 seconds, pitch trim is automatically reset to zero. This function is inoperative, when the green or yellow hydraulic system is not pressurized.
