airplane:  1  weather radar,  2  cockpit,  3  jet engine,  4  engine pod,  5  pylon,  6  swept-back wing,  7  vertical stabilizer,  8  rudder,  9, 10,  tabs,  11 elevator,  12 horizontal stabilizer, 13  inboard flap, 14  inboard spoiler, 15, 16  tabs, 17  aileron, 18  outboard flap,  19  outboard spoiler,  20  sound suppressor,  21  thrust reverser, 22  cabin air intake,  23  nose landing gear