Opinion: Unbelievable compression - AOPA

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Each annual inspection begins with a moment of terror when the IA removes the top spark plugs and takes a compression reading of each cylinder. We hold our breath awaiting the verdict.

Opinion: Unbelievable compression - AOPA

Opinion: Unbelievable compression - AOPA

Opinion: Unbelievable compression - AOPA

Opinion: Unbelievable compression - AOPA

Opinion: Unbelievable compression - AOPA