Sikorsky
SH-3/S-61 Seaking
First flight 11 March 1959 Introduction September 1961 Status Active service

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General Info

Sikorsky
(S-61N Mk II) Seaking


A S-61N Mk.II operating for Sociedad de Salvamento y Seguridad Marítima in Spain
Role	Medium-lift transport / airliner helicopter
Manufacturer	Sikorsky Aircraft
First flight	11 March 1959
Introduction	September 1961
Status	Active service
Primary users	CHC Helicopter Bristow Helicopters AAR Airlift
Number built	119
Developed from	Sikorsky SH-3 Sea King

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History Sikorsky
Sikorsky (S-61N Mk II) Seaking
First flight 11 March 1959 Introduction September 1961
Status Active service

The Sikorsky S-61L and S-61N are civil variants of the SH-3 Sea King military helicopter. It was developed and produced by the American helicopter manufacturer Sikorsky Aircraft. The commercial version of the Sea King was developed during the late 1950s. Two versions, the land-based S-61L and the amphibious S-61N, were created. The S-61L had an enlarged cabin and dispensed with some of the amphibious features, such as its float stabilizers, for greater payload capacity. It was considered attractive to utility operators, while the amphibious S-61N appealed to off-shore operators. The first models were delivered to customers during September 1961. By the turn of the century, they had become two of the most widely used airliner and oil rig support helicopters built.

n September 1957, Sikorsky was awarded a United States Navy development contract for an amphibious anti-submarine warfare (ASW) helicopter capable of both detecting and attacking submarines. On 11 March 1959, the XHSS-2 Sea King prototype made its maiden flight. Production deliveries of the HSS-2 (later designated SH-3A) commenced during September 1961. The initial production aircraft being powered by a pair of General Electric T58-GE-8B turboshaft engines, each capable of providing up to 930 kW (1,250 shp)

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Sikorsky (S-61N Mk II) Seaking
First flight 11 March 1959
Introduction September 1961 Status Active service

Howard Sikorsky helicopters

Sikorsky, a Lockheed Martin Company
data Sikorsky (S-61N Mk II) Seaking

General Info

Crew: 2
Capacity: up to 30 passengers
Length: 58 ft 11 in (17.96 m)
Height: 17 ft 6 in (5.33 m)
Empty weight: (5,596 kg)
Gross weight: (7,332 kg)
Max takeoff weight: (8,618 kg)

Powerplant

Powerplant: 2 × General Electric CT58-140 turboshaft engines, 1,500 shp (1,100 kW) each
Main rotor diameter: (19 m)
Main rotor area: (280.5 m²)
Blade section: - NACA 0012)

Specifications

Maximum speed:166 mph, 267 km/h)
Cruise speed: (140 mph, 220 km/h)
Range: 450 nmi (520 mi, 830 km)
Service ceiling: (3,800 m)
Rate of climb: (6.7–11.3 m/s)

Related development

Special Links Sikorsky (S-61N Mk II) Seaking

Links to Youtube & Others

n an effort to replace antisubmarine hunter/killer teams of two helicopters with one platform capable of performing both missions, the Navy contracted for the Sikorsky H-3 Sea King. Delivered to the fleet beginning in 1961, the Sea King carried an array of sounding equipment and an ordnance payload of 840 lb.

Sikorsky (S-61N Mk II) Seaking

On 11 March 1959, the first prototype conducted its maiden flight.

Youtube Link

The Sikorsky SH-3 Sea King is a twin-engine medium-sized amphibious rotorcraft.

Aircrafttotal : Helicopters

Sikorsky
SH-3/S-61 Seaking
First flight 11 March 1959 Introduction September 1961 Status Active service

Sikorsky
(S-61N Mk II) Seaking

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History Sikorsky
Sikorsky (S-61N Mk II) Seaking
First flight 11 March 1959 Introduction September 1961
Status Active service

Operators

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Photo Gallery
Sikorsky (S-61N Mk II) Seaking
First flight 11 March 1959
Introduction September 1961 Status Active service