Crews used a helicopter to lift and replace cooling ... terminal this summer and for years to come.” Crews used a Sikorsky S-64 Skycrane to lift the heavy units. Around the country: National ...

The CH-53D rolled off Sikorsky’s production line in 1967 with 126 aircraft ... bladed tail rotor developed from those used on the S-64 Skycrane. To save space on board naval vessels, the tail ...