A/P TEST: NOTE 15 annunciations. A/P ON: NOTE RDY.
Center D/G bug. Select HDG: NOTE HDG. Move bug L & R: NOTE CW moves L & R to bug. Center bug. Overpower CW L & R: NOTE CW friction, no ratcheting noise.
Tune in VOR. Select NAV: NOTE NAV. Turn OBS L & R: NOTE CW moves L & R to needle. Select REV: NOTE REV. Turn OBS L & R: NOTE CW moves R & L from needle.
Pitch Axis
Select HDG. Trim ON. CW center. Select VS. Hold UP switch: NOTE CW moves slowly aft. Hold DN switch: NOTE CW moves slowly forward.
Trim OFF. Overpower CW aft: NOTE TRIM/DN/alarm. Overpower CW forward: NOTE TRIM/UP/alarm. No excess play, no ratcheting noise.
Trim ON. A/P TEST. Select HDG. CW center. Select VS. Hold CW, depress UP: NOTE after 1/2 sec pitch disconnects. Release UP: NOTE pitch re-engages. Repeat/same for DN.
Electric Trim Check
Trim ON. A/P ON. Trim switch ON (both knobs):
DN: NOTE trim moves nose down & TRIM flashes UP: NOTE trim moves nose up & TRIM flashes
Overpower/stop trim wheel motion up & down. Operater each half of switch: NOTE no trim motion. With trim operating, depress/release A/P Disc Switch: NOTE trim stops/resumes.
Autotrim Check
Select HDG & VS. CW forward: NOTE after 3 secs trim runs nose up. CW aft: NOTE after 3 secs trim runs nose down. Trim switch up/down: NOTE A/P disconnects, trim moves. Select HDG & VS. Depress A/P Disc Switch: NOTE A/P disconnects
A/P & Trim OFF
NOTE: A/P & Trim disconnected & control movements free
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