Engine Failures per Million Hours
It totally depends on maintenance. How many engine failures happen on
engines past TBO time? How many sat for several years without running,
gathering rust.
A good example would be to look at the big flight schools. I know
several have not have any engine failures. Most medium to large schools
will have at least 6,000 hrs a year. If most have been around 10-20
years, that tells you something.
-Robert
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