Avionics Report

July 2015 Issue

WILL THAT OLD CLUNKER MAKE IT TO 2020?

One way to find out is to use FAR 91.413—the biennial transponder certification—to your advantage. Hauling the airplane to the shop every other year for this inspection (and to comply with FAR 91.411’s pitot and static system certification, if you fly IFR) is a hassle and an expense, but it may be the only good way to determine the health and longevity of an aging transponder.

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