Maintenance Matters

January 1998 Issue

Gyro Replacement Strategies

The best choice is an overhauled exchange unit. Don’t rule out dealing with a local instrument shop.

Other than the powerplant, the most critical system for safety of flight are the gyroscopic instruments. Why do you think they call it instrument flight?

Unfortunately, the pesky things break and since these are life-and-death devices, you don’t want to mess around with deferred maintenance. So what do you do when those all-important gyros go kaput?

When the motor acts up, you select the course of action appropriate to the problem. The tracks are less clear with gyros, particularly since they’re damaged as much by installation and shipping as by mechanical failure. In this article, we’ll examine failure modes and the solutions, while explaining the options.

As you recall fro...

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