Learning Experiences

August 2010 Issue

Wax On, Wax Off

In a recent ferry flight, I encountered a sudden and very irrational electrical and avionics failure as I entered IMC conditions. I was in a Cirrus SR22 with an Avidyne MFD, an Aspen PFD and a full set of steam gauges to boot. Within about one minute of entering the clouds for a descent, instruments began to fail and then come back on. They often came back with confusing data. The twin Garmin 430s also failed and came back—and then failed again—and so it went for what seemed like hours.

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