1U262-004-15, Model 4000C-1 / 52D54M Directional Gyro, Air, Autopilot, Lighted, CFS outputs
The 4000C/D is an air-driven directional gyro with A.C. autopilot pickoffs. Left turns produce clockwise dial rotation and right turns produce counter-clockwise rotation. Two knobs control the gyro. The left knob can cage the unit, and the right knob can select the instrument’s heading. To change course, the right selector knob is pressed and turned to disengage the dial shaft and set the pointer to a new heading. Releasing the selector knob re-engages the pointer to the dial shaft. As the aircraft turns onto a new course, the pointer returns to its original position. The on-course position of the pointer is always at the top of the azimuth circle (0° on the dial with the aircraft head on the north).
- Characters, logo, and graduation marks are white per STI 8A015-002 on black background 8A013-001.
- Aeroplane and index markers are silk-screened on inside surface of glass are white.
- FAA approved as conforming to TSO C5c.
Depth: 6.68″ (max)
Weight: 2.5 lbs. (max)
Markings: Matte white
Finish: Dull black