Airplane Flight Manual Supplement
190-00682-02 Rev. C Hawker Beechcraft C90A and C90GT King Air
Page 51 of 95
BEFORE TAKEOFF (RUN-UP)
1. Autopilot ............................................................................................................ CHECK, THEN OFF
a. PUSH the AP Button on the Mode Control Panel.................VERIFY Autopilot Engages
b. Verify ROL / AP YD / PIT annunciated in green on the PFDs
c. Control Wheel PULL FULL AFT ............................................. Verify Elevator Tab Wheel moves
in the DN direction
d. Control Wheel, PUSH FULL FORWARD.............................VERIFY Elevator Tab Wheel moves
in the UP direction
e. Pilot’s Control Wheel, AP/YD DISC / TRIM INTRPT Button, PRESS ............................. VERIFY
Autopilot Disconnects
• Autopilot Disconnect Tone Sounds
• Amber AP and YD flashes for 5 seconds and then extinguishes
• Servos disengaged
f. PUSH the AP Button on the Mode Control Panel..............................VERIFY Autopilot Engages
g. Copilot’s Control Wheel, AP/YD DISC / TRIM INTRPT Button, PRESS ......................... VERIFY
Autopilot Disconnects
h. Manually Operate Elevator Tab Wheel.......................VERIFY Pitch Trim Servo is Not Engaged
2. Electric Elevator Trim Control ............................................................................................... CHECK
a. Pilot’s Control Wheel
• Left and Right Segments ................................................................ ACTUATE INDIVIDUALLY
(Verify there is no elevator tab wheel movement)
• Left and Right Segments ..................................................................... ACTUATE TOGETHER
(Verify proper elevator tab wheel movement)
• With Elevator Tab Wheel in Motion,
AP/YD DISC / TRIM INTRPT Button ......................................................... PRESS AND HOLD
(verify elevator tab wheel motion stops)
• Manually Operate Elevator Tab Wheel...... VERIFY Pitch Trim Servo is Not Engaged
b. Copilot’s Control Wheel (If Installed)
• Left and Right Segments ................................................................ ACTUATE INDIVIDUALLY
(Verify there is no elevator tab wheel movement)
• Left and Right Segments ..................................................................... ACTUATE TOGETHER
(Verify proper elevator tab wheel movement)
• With Elevator Tab Wheel in Motion,
AP/YD DISC / TRIM INTRPT Button ......................................................... PRESS AND HOLD
(verify elevator tab wheel motion stops)