Vacuum Pump Care and Feeding

It can be one of the most important, and most neglected, components aboard your aircraft.

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Despite their increasing obsolescence, vacuum pumps remain installed aboard the vast majority of piston-powered aircraft, providing the energy to spin the gyroscopes in flight instruments like attitude indicators and directional gyros. Even newer aircraft sporting factory-installed “glass” panels may have a vacuum (or pressure) pump powering one or more backup instruments. Odds are, the airplane […]
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