TRIMMABLE HORIZONTAL STABILIZER Flashcards
1
Q
How is the THS normally operated in flight?
A
The flight control computers control trim functions automatically
2
Q
If NO hydraulic power is available can the THS be positioned?
A
No. The THS requires hydraulic power from at least one of the Green or Yellow systems
3
Q
If a complete flight control computer failure occurs can the THS be positioned?
A
Yes, mechanical trimming is possible by manually positioning the Pitch Trim Wheel
4
Q
What happens to the THS after landing?
A
The trim automatically resets to zero if pitch attitude is < 2.5° in < 5 seconds
