Maintenance Matters

January 2014 Issue

Instrument Upkeep: Repairing Saves Money

But a teardown overhaul from a reputable shop is often the best long-term strategy. For ancient models, upgrading makes the most sense.

Here’s a common scenario: You bring your airplane to the avionics shop for its 24-month IFR pitot and static system certification and the tech says you’ll be wheels up in a couple of hours. Thirty minutes later while you’re cooling your heels in the pilot lounge, the technician tracks you down with news you don’t want to hear: Your encoding altimeter flunked the test because it has too much friction.

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