This Sub-class includes the repair and maintenance of aircraft and spacecraft including that of: •helicopters •aircraft engines of all types •air cushion vehicles •aero-space equipment •aero-engine parts
•manufacture of parachutes, see 13929 •manufacture of weapons and ammunition, see 25200 •manufacture of telecommunication equipment for satellites, see 26301 •manufacture of aircraft instrumentation and aeronautical instruments, see 26511 •manufacture of air navigation systems, see 26511 •manufacture of lighting equipment for aircraft, see 27400 •manufacture of ignition parts and other electrical parts for internal combustion engines, see 27902 •manufacture of pistons, piston rings and carburettors except aircraft, vehicle, cycle and marine engines, see 28111 •manufacture of aircraft launching gear, aircraft carrier catapults and related equipment, see 28299