First retrofit completed in October 2004. HH-65A/B upgraded with new 934 shp (696 kW) Arriel 2C2-CG engines that provide 40% more power and higher performance, plus an upgraded tail gearbox, long-nose avionics compartment, increased 9,480 lb (4,300 kg) MTOW, expanded lateral flight envelope and Vehicle and Engine Multifunction Display (VEMD) with First Limit Indicator (FLI). The HH-65B upgrade was undertaken at the Coast Guard’s Aircraft Repair and Supply Center (ARSC) in Elizabeth City, NC, with the first aircraft rolling-off the post-depot maintenance (PDM) line in March 2001. Retrofit included an NVG-compatible integrated flight management avionics suite consisting of two GPS-embedded CDU-900G control display units and two MFD-255 multifunction flat panel displays. Initial USCG version, powered by two 734 shp (547 kW) LTS101-750B-2 turboshafts and with an 8,900 lb (4,000 kg) M.T.O.W.Īvionics upgrade undertaken on a portion of the fleet. It is a variant of the French-built Eurocopter AS365 Dauphin. The Eurocopter 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).
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