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Garmin Experimental G3X GMC 307 Autopilot Control Head
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Overview
High-end Capability for Your G3X™
When installed with G3X flight displays, GMC 307 offers features normally reserved for high-end aircraft that use the GFC 700 digital autopilot system, including advanced autopilot modes, such as indicated airspeed hold, independent flight director and third-axis yaw damper (when installed with appropriate servos). While these features are available without a separate controller on G3X Touch flight displays, installing the optional GMC 307 allows for standalone operation of the autopilot. Plus, the control wheel integrated into the GMC 307 makes for easier pitch, vertical speed and airspeed adjustments, while separate knobs allow twist-control of heading and altitude. And for added safety, the panel’s advanced LVL mode button commands automatic recovery from steep or unusual attitudes, enabling the autopilot to return your aircraft to straight-and-level flight. Automatic flight control system limitations can prevent or delay the ESP system’s ability to recover the aircraft in some situations. |
Reviews
Product is great. But Aircraft spruce sent with zero paperwork.
This control head has been superseded by the 507, which costs the same.
Q&A
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, you can replace the 305 with the 307 if you'd like.
The units have the same size faceplate and use the exact same connector kit. The panel cutouts are slightly different. The 307 is 6.015" x 1.98" while the 305 is 5.38" x 1.73"
No. See part number 11-11447 for installation/connector kit.
According to the manual the unit with the connector is about 3.43 inches not including wires.
You'll need either the Garmin GMC 307 or Garmin GMC 507.
Per the manufacturer this does have a mounting rack. It mounts flush to the aircraft instrument panel using two pawl latches.
