Section 17 VEHICLES, AIRCRAFT, VESSELS AND ASSOCIATED TRANSPORT EQUIPMENT 88 AIRCRAFT, SPACECRAFT, AND PARTS THEREOF 88 05 AIRCRAFT LAUCHING GEAR, DECK-ARRESTOR OR SIMILAR GEAR, GROUND FLYING Commodity Code Description 88 05 10 AIRCRAFT LAUNCHING GEAR AND PARTS THEREOF; DECK-ARRESTOR OR SIMILAR GEAR 88 05 21 AIR COMBAT SIMULATORS AND PARTS THEREOF 88 05 29 OTHER GROUND FLYING TRAINERS & PARTS THEREOF