Accident Probe: Losing Attitude

The general aviation industry has long known about the vulnerability of the engine-driven vacuum pump. This device supplies the energy to spin vacuum-driven primary flight instruments, typically the artificial horizon and directional gyro of...

Accident Probe: Losing Attitude

The general aviation industry has long known about the vulnerability of the engine-driven vacuum pump. This device supplies the energy to spin vacuum-driven primary flight instruments, typically the artificial horizon and directional gyro of a so-called “steam gauge” airplane. It’s an Achilles heel of an otherwise IFR-capable platform and, although conscientious pilots train for so-called […]

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