S-Tec Autopilot Computer P/N 0140 Altitude Preselect Box - Working When removed

0140 S-Tec Auto Pilot Computer Assembly with Connector

Cessna 421 S-Tec Autopilot Computer w/ Connector P/N 0140 WARRANTY (0426-103)

0140 S-Tec Auto Pilot Computer Assembly Faceplate Cracked On RH Side

Turn Coordinator (((((((((WORKING))))))))with Auto Pilot Output Cessna S3291-1

ARC Directional Gyro G-520A (3987) with auto pilot output.

STEC Directional Gyro 6406-14L

Douglas DC3 or DC4? Aircraft Cowl Flap Selector Valve Assembly P/N 5233231 New