New Ray Diecast Helicopter: Dolphin HH-65C - US Coast Guard - 1/48 Scale. The HH-65 Dolphin is a twin-engined, single main rotor, MEDEVAC-capable, Search and Rescue (SAR) helicopter operated by the United States Coast Guard (USCG). It is a variant of the French-built Eurocopter Dauphin. The SA 366 G1 Dauphin version was selected by the United States Coast Guard (USCG) in the early 1980s as its new short range recovery (SRR) air-sea rescue helicopter and given the designation HH-65A Dolphin.