those are interesting numbers. I went thru our log books. We never had
an engine shut down, but find in what we think is a well maintained
Mooney M20 an unplanned landing about once every 500 hours for some
form of failure. A bank of spark plugs fail, causing the engine to go
rough, a vacuum pump failure, an alternator, things like that. That's
in 3000 hours total time. This airplane is flown gently, though --
wait, maybe not: usually at low RPMs, well leaned, so those 3000 tach
hours understate actual time.

I hope others post their actual experience.



On Apr 1, 10:24*pm, wrote:
In my experience, that 1 in 1,000 to 1 in 10,000 number the FAA
provides is right on. *It squares with my experience and the
experience of my friends.

My primary flight instructor: 4 engine failures in 4500 hours flying.

Dead stick each time. Twice in pattern. Once off airport landing, once
got lucky and managed to glide to a nearby airport.