PurposeUSED TO PROVIDE A SPECIFICATION FOR DESIGN OF A CONTROLLED HOIST SYSTEM TO FACILITATE LIFTING, MANEUVERING, AND POSITIONING LARGE COMPONENTSAirplane747, 757, 767, 777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777-8, 777-9, 777FUsage CodeMAINTENANCE 