Office: 802-377-4044
Bill's cell: 802-349-0223
bill@greenmountainavionics.com
561 Airport Road
Middlebury, VT 05753
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VFR, IFR, and RVSM Inspections

We perform altimeter, altitude reporting, transponder and static system tests and inspections as required by FAR 91.411 and 91.413. Fully automated digital test equipment allows us to perform efficient and accurate inspections. Because the equipment is lightweight and portable, we are able to transport it to off-site locations in the Northeast using our company aircraft for the convenience of our clients. 


Systems Installations

We install avionics from a number of manufacturers including Garmin International, Aspen Avionics, and Genesys Aerosystems. Our technicians attend manufacturer-provided trainings to ensure they are knowledgable and well-equipped to install and work on a variety of products.
Systems Troubleshooting and Repairs

Using the latest test equipment, our technicians assess and resolve technical problems with communication, navigation, and flight guidance systems. Between our full-time technicians, we have over 50 years combined experience in aviation maintenance. This means that we can troubleshoot any issue, from minor problems with push-to-talk to complex problems with integrated flight decks. Additionally, we can repair airframe and avionics systems.






Our team of skilled technicians with different specializations performs a number of services, both at our Middlebury facility as well as off-site. 
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