Repair and maintenance of aircraft and spacecraft

33.16
Repair and maintenance of aircraft and spacecraft
This class includes the repair and maintenance of aircraft and spacecraft. 

This class includes:
- repair and maintenance of aircraft (except factory conversion, factory overhaul, factory rebuilding)
- repair and maintenance of aircraft engines
This class excludes:
- factory overhaul and rebuilding of aircraft, see 30.30
- factory overhaul of aircraft engines, see 30.30