Thread: transponder 2 year check
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Old May 9th 19, 05:14 PM posted to rec.aviation.soaring
Darryl Ramm
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Posts: 2,403
Default transponder 2 year check
You don’t have a simple option to leave a transponder turned off. Once installed you are required to use it in *controlled airspace*. 14 CFR 91.215....