On Jan 25, 8:47*am, Doug Greenwell wrote:

I don't have the data for average GA flight duration, but I'd bet it's
rather longer than 13min - even if it's only half an hour, that brings
the accident rate per movement to a comparable level to gliding

Not sure that's valid unless you know the nature of the GA flight.
That half hour could have one takeoff and one landing or it could have
been spent circuit bashing (performing multiple takeoffs and
landings).

Andy