Questions and Answers | A+ Score
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Which hydraulic systems control horizontal stabilizer trim? - 🧠ANSWER
✔✔Left and Center
What are the 3 ways to move the Horizontal Stab Trim? - 🧠ANSWER ✔✔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? -
🧠ANSWER ✔✔Automatic Trim
Which method of trim disengages a single autopilot if actuated? -
🧠ANSWER ✔✔Electric Trim
Which Horizontal Stab Trim mechanisms use 2 motors/full rate to trim? -
🧠ANSWER ✔✔Electric and Alternate Trim
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, Is Electric Trim enabled with multiple autopilots engaged? - 🧠ANSWER
✔✔No
Does the Alternate Trim disengage the autopilot if used during autopilot
operations? - 🧠ANSWER ✔✔No, the autopilot will retrim after the Alternate
Trim Switches are released
Which Trim source cancels conflicting trim commands? - 🧠ANSWER
✔✔Alternate Trim
Which hydraulic system actuates the Left Autopilot? - 🧠ANSWER ✔✔Left
Hydraulic System
Which hydraulic system actuates the Center Autopilot? - 🧠ANSWER
✔✔Left OR Center Hydraulic System
Which hydraulic system actuates the Right Autopilot? - 🧠ANSWER
✔✔Center Hydraulic System
What does the UNSCHED STAB TRIM Discrete Light mean if illuminated?
- 🧠ANSWER ✔✔trim is moving when not commanded
What does PES stand for? - 🧠ANSWER ✔✔Pitch Enhancement System
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED