Sikorsky S-64 Skycrane/Aircrane

Sikorsky S-64 Skycrane refills its tanks by skimming the sea surface (Capo Noli, Italy)
The Sikorsky S-64 Skycrane is an American twin-engine heavy-lift helicopter. It is the civil version of the United States Army's CH-54 Tarhe. The S-64 Aircrane is the current production version, manufactured by the Erickson Air-Crane company. The Sikorksy S-64 was designed as an enlarged version of the prototype flying crane helicopter, the Sikorsky S-60. The S-64 had a six-blade main rotor and was powered by two 4,050 shp (3020kW) JFTD-12A turboshaft engines. The prototype S-64 first flew on 9 May 1962 and was followed by two further examples for evaluation by the German armed forces. The Germans did not place an order but the United States Army placed an initial order for six S-64A helicopters (with the designation CH-54A Tarhe). A small number of the S-64A and S-64E variants were built by Sikorsky for the civil market.