RUDDER BOOST/YAW CONTROL TEST - TM-1-1510-224-CL

ASE/ACS BIT CHECKS - TM-1-1510-224-CL_37

TM-1-1510-224-CL Army RC-12P Aircraft and Army RC-12Q Aircraft Manual
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TM 1-1510-224-CL level, 7 degrees nose up attitude. Check GA annunciator on EADI illuminates. Yaw damper should automatically engage and YD ENGAGE switch- annunciator should be illuminated on the autopilot controller and the remote annunciators above the EADI's should be illuminated. 13. RUDDER BOOST/YAW CONTROL TEST switch (pedestal extension) - TEST. Check the RUDDER BOOST annunciator above the EADI's illuminates, yaw damper disengages, YD ENGAGE switch-indicator on the autopilot controller extinguishes, and the YD ENGAGE remote annunciators above the EADI's flash 5 times WARNING If the SBY annunciator on the flight director mode selector does not illuminate within 10 seconds after the avionics master switch is turned on, the autopilot has failed self-test and is considered inoperative and should not be used. CAUTION Do not force the elevator trim system beyond the limits which are indicated on the ELEVATOR trim tab indicator. 14. YD ENGAGE pushbutton switch-indicator (autopilot controller) - Depress while holding rudder boost/yaw control test switch in TEST. Yaw damper should not engage. 15. RUDDER BOOST/YAW CONTROL TEST switch - RUDDER BOOST. Check RUDDER BOOST annunciator extinguished. 16. Electric elevator trim - Check. a. ELEV TRIM switch - On. b. Pilot and copilot trim switches - Check operation. P-7

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