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Sikorsky Aircraft S-61N

Sikorsky S-61N MkII Executive Helicopters (CHC), C-FXEC, c/n 61821 © Karsten Palt
Photo ©: Karsten Palt

S-61N

Medium Ambhibious Transport Helicopter

The Sikorsky S-61N is an amphibious twin-engined medium transport helicopter for up to 39 passengers produced by the American manufacturer Sikorsky Aircraft.
Crew2
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)5/55/5
Main Rotor Diameter18,90 m62,0 ft
Tail Rotor Diameter3,23 m10,6 ft
Rotor Disc Area280,6 m3020 ft
Length (Fuselage)17,16 m56,3 ft
Length22,20 m72,8 ft
Height5,32 m17,5 ft
 
First Flight07.08.1962
Production Statusout of production
Total Production116
 
ICAO CodeS61
FAA TCDS1H15
Data for (Version)Sikorsky S-61N Mk II
VariantsS-61N, S-61L
Remarks
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.

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