Quick guide to the F-35 JSF versions.

In article ,
Mike Marron wrote:

You're not alone. Very few aviators (military or civilian) have shown
much interest in obtaining the FAA's new "Powered Lift" rating since
the V-22 seems to crash with distressing regularity.

For extremely loose definitions of "regular." Less often than the big
helicopters we're currently using, during their development, and none at
all in what, three years? Four crashes of an experimental aircraft type
in over a decade of development is actually pretty darned impressive.

The one famous accident they had, due to vortex ring state, happened in
conditions that normal helos wouldn't normally even *attempt* (very high
descent rate, about 2.5 times the normal max).

The Chinook and F-14 had very high accident rates when they were in
development, too.

--
cirby at cfl.rr.com

Remember: Objects in rearview mirror may be hallucinations.
Slam on brakes accordingly.