RE: trainer plane lifespan
Thats incredible!!! That is 10,400 flights at probably 15 minutes each is 156,000 minutes equaling 2,600 hours, WOW. That is a lot of hours even on a real airplane. They don't usually fly as often by privite owners. I had my Piper Cherokee PA28-140 for 10 years and only put 500 hours on it.
Gibbs