and Answers 100% Pass
Which hydraulic systems control horizontal stabilizer trim? - ✔✔Left and
Center
What are the 3 ways to move the Horizontal Stab Trim? - ✔✔1. Electric
Trim - control wheel switches
2. Alternate Trim - switches to the left of the thrust levers
3. Automatic Trim - the autopilot
Which method of Horizontal Stab Trim uses only 1 motor/half rate of
trim? - ✔✔Automatic Trim
Which method of trim disengages a single autopilot if actuated? -
✔✔Electric Trim
1
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, Which Horizontal Stab Trim mechanisms use 2 motors/full rate to trim? -
✔✔Electric and Alternate Trim
Is Electric Trim enabled with multiple autopilots engaged? - ✔✔No
Does the Alternate Trim disengage the autopilot if used during autopilot
operations? - ✔✔No, the autopilot will retrim after the Alternate Trim
Switches are released
Which Trim source cancels conflicting trim commands? - ✔✔Alternate
Trim
Which hydraulic system actuates the Left Autopilot? - ✔✔Left Hydraulic
System
Which hydraulic system actuates the Center Autopilot? - ✔✔Left OR
Center Hydraulic System
Which hydraulic system actuates the Right Autopilot? - ✔✔Center
Hydraulic System
What does the UNSCHED STAB TRIM Discrete Light mean if illuminated?
- ✔✔trim is moving when not commanded
2
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