On: Debris found came from missing Titan sub, says fri...

[civilitty]

> But most helicopter passengers probably assume that the trip will be safe and uneventful, 999 out of 1000 times.

Even helicopters have a fatal accident rate that's at most 1 per 100,000 flight hours (in the US at least).

This sub seems to have a fatal accident rate of 1 per 1,000 hours at best