Maintenance Matters

March 2014 Issue

Simple Plug Checker: Go/No-Go on Resistance

Although it’s a bit pricey at $130, this gadget makes quick work of checking spark plugs for high resistance values.

The list of approved maintenance items an aircraft owner can do under FAR Part 43 is long and includes replacing, cleaning and gapping plugs. In the spirit of cleaning, we think checking plug resistance is also on the list.

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