tourists probably in 1 a and 1b, fuddy 2a, yamamoto 2b, Key woman 3a, man 3b, swimmer 4a photographer 4b
I believe it could hold 9 passengers and pilot one passenger in the cockpit.
extra seat in cockpit was for invisible CIA person.
Last one, promise:
“...There were a total of nine people, including the pilot, aboard the aircraft. Eight of those on board were rescued alive...”