PPRuNe Forums - View Single Post - Lycoming TBO/extension.Who Decides?
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Old 3rd December 2008 | 14:19
  #4 (permalink)  
Flyingplanner
 
Joined: Jul 2007
Posts: 6
Likes: 0
From: Essex
It is definitely 20% and that applies to your engine TBO (1800hrs?) and 12 years since zero timed.
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