Sikorsky Aircraft S-61N

Medium Ambhibious Transport Helicopter

Sikorsky S-61N MkII Executive Helicopters (CHC), C-FXEC, c/n 61821 © Karsten Palt
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.
Passengers30 - 39
Propulsion2 Turboshaft Engines
Engine ModelGeneral Electric CT58-140-1
Engine Power (each)1044 kW1400 shp
Speed232 km/h125 kts
  144 mph
Service Ceiling3.810 m12.500 ft
Range833 km450 NM
518 mi.
Empty Weight5.595 kg12.335 lbs
max. Takeoff Weight9.299 kg20.500 lbs
Rotor Blades (main/tail)5/5
Main Rotor Diameter18,90 m62 ft 0 in
Tail Rotor Diameter3,23 m10 ft 7 in
Rotor Disc Area280,6 m3020 ft
Length (Fuselage)17,16 m56 ft 4 in
Length22,20 m72 ft 10 in
Height5,32 m17 ft 5 in
First Flight07.08.1962
Production Statusout of production
Total Production116
ICAO CodeS61
Data for (Version)Sikorsky S-61N Mk II
VariantsS-61N, S-61L

[Photo-ID: 5706] Karsten Palt 2010-10-07
Sikorsky S-61N, CHC Helicopters Netherlands, PH-NZD, c/n 61-489, Karsten Palt, 2010Sikorsky
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), C-FXEC, c/n 61821, Karsten Palt, 2007Sikorsky
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, G-BIMU, c/n 61-752, Karsten Palt, 2010Sikorsky
S-61N MkII
UK Coast Guard
Reg.: G-BIMU
c/n: 61-752
opd by Bristow Helicopters
[Den Helder (EHKD / DHR)]