Automatic trim is used to
- maintain level flight
- prevents standing loads on the elevator
- allow full authority to be regained by the aileron
Explanation from PART66Online
Automatic (auto) trim continuously zeroes the standing aerodynamic load held by the autopilot's pitch servo, repositioning the trim surface so the elevator returns to neutral hinge load. This keeps the servo within its authority and avoids a sudden out-of-trim pitch when the autopilot disconnects. It is a load-relief function, not a means of holding level flight.
G
Gibbo280490 asked · 8 Apr 2014
MAINTAIN LEVEL FLIGHT?
Community Comments (3)
J
Jordi
26 Apr 2021
i also thought about it.
J
Jordi
28 Nov 2022
Jeppesen Avionics Fundamentals Page 371-372
J
Jordi
28 Nov 2022
its b
Please Sign In to post a comment.