Weekly tips, technique and training from IFR.

Features April 2013 Issue

Don’t Fear The Red X

An EFIS displayís red X is just a system status message, not a cause for panic. Youíll know how to handle it if you know the systemís interconnects.

As a technician, I think of EFIS in terms of failures. While most pilots don’t need to dig deep into system schematics, a little tech savvy can help you recognize and understand the implications of a failed EFIS. It doesn’t matter if it’s a component failure, wiring problem or software glitch—a proper understanding of the system you fly means learning the architecture as a whole. This means dissecting the interface down to the component level and…

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