Magnetos Under Pressure

Magnetos Under Pressure By Harry Fenton July 2000 One of the fundamental problems with turbocharged piston engines that operate at high altitudes is that the ignition system requires special design features to compensate for the lack of air...

It should be noted that while AD 88-25-04 and Slick Service Bulletin SB1-88 only apply to Cessna airframes, operators of other airframes using pressurized magnetos may, at their discretion, use these documents for guidance to establish more frequent inspection schedules to suit their specific needs.

Harry Fenton is manager of Customer Services. He is an A&P IA and has an extensive background in general aviation and product support; (815) 965-4700, extension 161, E-mail harry@

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