Airplane Owner Maintenance - By Dean Showalter

108 – How Long Do Airplane Spark Plugs Last?

01.25.2019 - By Dean ShowalterPlay

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New spark plugs every year? Yep… that’s what happened for five annual inspections in a row, with the A36 Bonanza I’ve been inspecting and working on.  From 2013 to 2017, the spark plugs were replaced every year.  Four of those times, the spark plugs being replaced, had less than 150 hours on them.  That is […]

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