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The jet engines on the ME-262 had a service life of 20 hours. The service life of the airframe was so short they didn't even bother painting them.

My dad's B-17 was scrapped after 30 some missions for being flying junk, or around 300 hours.

For comparison, the Boeing 757 was designed to fly around 65,000 hours, for comparison. A car is designed to run for 3,000 hours or so. Your car is very poorly made compared to an airplane :-)

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I would think an inspection interval should be shorter than an overhaul interval. But I don't know how they do it.

Uh, we also don't overhaul car engines every several thousand hours. That comparison is basically useless.

After several thousand hours of work a car engine will have to have a lot of stuff replaced or serviced. Probably only the block, head, pistons and shafts will remain.

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