Originally Posted by
ATC Watcher
The pilot was not the one planned to make that fight, it was last minute thing, , he did not briefed himself on the aerodynamic differences between Jumpsuits and normal parachute divers (which was not the main business of the outfit) , , and each party assumed everyone had been briefed before the flight.
Some strange terminology used above, The difference that needed to be understood was that between "wingsuit jumpers" and "freefall jumpers". Most skydivers, of any discipline, wear a jumpsuit. A wingsuit is a very specialized jumpsuit.