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Old 25th Oct 2015, 06:24
  #10 (permalink)  
thunderbird five
 
Join Date: Sep 2007
Location: Geostationary Orbit
Posts: 258
Welcome back yr-right.


Meanwhile, a couple years ago, the CASA crew came to our patch to talk ageing aircraft, and here it was mentioned about 12 year overhaul life possibility, regardless of hours flown (up to published TBO)
The 12 years come from Lycoming Service Instruction 1009AV.
Lycoming Recommendation. Which in many CASA eyes = Mandatory, despite recommended and mandatory being two totally different things in the real world.


I know of a 40+ year old Arrow, still on the original low hours engine. Still checks out fine every year by a very reputable shop.
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