Sikorsky Aircraft S-61N
Medium Ambhibious Transport Helicopter
Photo ©: Karsten Palt
The Sikorsky S-61N is an amphibious twin-engined medium transport helicopter for up to 39 passengers produced by the American manufacturer Sikorsky Aircraft.
The S-61N is a development of the military S-61 Sea King helicopter with stretched fuselage. The S-61L is a non-amphibious variant with fixed landing gear. The total production of 116 includes S-61N & S-61L. For improvement of the performance some versions were built with shortened fuselage and different landing gear.
| Crew | 2 | |
| Passengers | 30 - 39 | |
| Propulsion | 2 Turboshaft Engines | |
| Engine Model | General Electric CT58-140-1 | |
| Engine Power (each) | 1044 kW | 1400 shp |
| Speed | 232 km/h | 125 kts 144 mph |
| Service Ceiling | 3.810 m | 12.500 ft |
| Range | 833 km | 450 NM 518 mi. |
| Empty Weight | 5.595 kg | 12.335 lbs |
| max. Takeoff Weight | 9.299 kg | 20.500 lbs |
| Rotor Blades (main/tail) | 5/5 | |
| Main Rotor Diameter | 18,90 m | 62 ft 0 in |
| Tail Rotor Diameter | 3,23 m | 10 ft 7 in |
| Rotor Disc Area | 280,6 m² | 3020 ft² |
| Length (Fuselage) | 17,16 m | 56 ft 4 in |
| Length | 22,20 m | 72 ft 10 in |
| Height | 5,32 m | 17 ft 5 in |
| First Flight | 07.08.1962 | |
| Production Status | out of production | |
| Total Production | 116 | |
| ICAO Code | S61 | |
| FAA TCDS | 1H15 | |
| Data for (Version) | Sikorsky S-61N Mk II | |
| Variants | S-61N, S-61L | |
| [Photo-ID: 5706] © Karsten Palt 2010-10-07 | |
 | Sikorsky S-61N CHC Helicopters Netherlands Reg.: PH-NZD c/n: 61-489 |
| [Den Helder (EHKD / DHR)] | |
| [Photo-ID: 779] © Karsten Palt 2007-10-22 | |
 | Sikorsky S-61N MkII Executive Helicopters (CHC) Reg.: C-FXEC c/n: 61821 |
| [Wilhelmshaven-Mariensiel (EDWI / WVN)] | |
| [Photo-ID: 5707] © Karsten Palt 2010-10-07 | |
 | Sikorsky S-61N MkII UK Coast Guard Reg.: G-BIMU c/n: 61-752 opd by Bristow Helicopters |
| [Den Helder (EHKD / DHR)] | |