37 AIRCRAFT CONVERSIONS TO THE ORDER AND/OR SPECIFICATIONS OF OTHERS, AIRCRAFT ENGINE AND AIRFRAME MAINTENANCE, AIRCRAFT EXTERIOR FINISHING, AIRCRAFT FUELING MAINTENANCE, AND LINE SERVICES, CUSTOM OUTFITTING RENOVATION AND REFURNISHING OF AIRCRAFT, SERVICING AIRCRAFT IN REMOTE LOCATIONS, AVIONICS INSTALLATION AND REPAIR, ENGINE OVERHAUL, INSTALLATION OF NAVIGATION COMMUNICATIONS AND CABIN ENTERTAINMENT SYSTEMS, CUSTOM MANUFACTURE OF LIGHT WEIGHT MATERIALS AND INTERIORS FOR AIRCRAFT, CUSTOM MANUFACTURE OF MATERIAL HANDLING EQUIPMENT, AIRCRAFT FUEL TANKS, AIRCRAFT CARGO DOOR ASSEMBLIES, AIRCRAFT AIRFRAME MODIFICATION ASSEMBLIES, AND MACHINERY COMPONENTS; MODIFICATION OF AIRCRAFT EXTERIORS, PLANT DISASSEMBLY FOR OTHERS, CUSTOM MANUFACTURE, REFURBISHMENT, AND MODIFICATION OF GROUND SUPPORT EQUIPMENT FOR AIRCRAFT