Singapore Technologies Aerospace subsidiary STA Systems is to provide Hamilton Sundstrand spares to Airbus A300/A310 and A320, Boeing 737, 747, 757, 767, 777, DC-9, DC10 and MD-11, and Fokker 50 operators under a five-year deal that includes maintenance support. Equipment covered includes integrated drive generator/constant-speed drives, pneumatic valves, air starters, air cycle machines and generators.