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Sikorsky SH-3 Sea King
Variants

US military

XHSS-2 - The only prototype of the H-3 Sea King.

YHSS-2 - Prototype and trials aircraft. Seven helicopters were built for the US Navy.

SH-3A - Anti-submarine warfare helicopter for the US Navy (245 built); originally designated HSS-2.


SH-3A Sea King of HC-1 participating in Apollo 17 recovery operations on December 19, 1972, with the aircraft carrier USS Ticonderoga (CVS-14) in the background. (Source: NASA)

HH-3A - Search and rescue helicopter for the US Navy (12 converted from SH-3A).


HH-3A Sea King helicopter of helicopter combat support squadron HC-7 Seadevils approaches the aircraft carrier USS Bon Homme Richard (CVA-31). (Source: U.S. Navy)

CH-3A - Military transport version for the US Air Force (3 converted from SH-3A later became CH-3B).

NH-3A - Experimental version, with wings and turbojet engines (1 Converted from SH-3A).

RH-3A - Minesweeper helicopter for the US Navy (9 converted from SH-3A).

VH-3A - VIP transport helicopter for the US Army & Marine Corps (8 built, plus 2 SH-3A (STAKE) conversions which were rebuild from damaged helicopters, 1 a YHSS-2 and 1 a SH-3A).

CH-3B - Military transport helicopter for the US Air Force.

SH-3D (S-61B) (HSS-2A) - Anti-submarine warfare helicopter for the US Navy (73 built and two conversion from SH-3A). Also operated by the Islamic Republic of Iran Navy Aviation.

SH-3D (S-61B) - Anti-submarine warfare helicopter for the Spanish Navy (6 built).

SH-3D-TS - Anti-submarine warfare version.

VH-3D - VIP transport helicopter for the US Marine Corps.

SH-3G - Cargo, utility transport helicopter for the US Navy (105 Conversions from SH-3A and SH-3D).


An SH-3G Sea King helicopter refuels from the frigate USS BAGLEY (FF 1069), underway off the coast of Southern California. (Source: PH3 Sevinland/U.S. Navy)

SH-3H (HSS-2B) - Anti-submarine warfare helicopter for the US Navy (Conversions from older versions).

SH-3H AEW - Airborne early warning version for the Spanish navy.

UH-3H - cargo, utility transport version for the US Navy.

Sikorsky

S-61 - Company designation for the H-3 Sea King.

S-61A - Export version for the Royal Danish Air Force.

S-61A-4 Nuri - Military transport, search and rescue helicopter for the Royal Malaysian Air Force. It can seat up to 31 combat troops (38 built).

S-61A/AH - Utility helicopter for survey work and search and rescue in the Antarctic.

S-61B - Export version of the SH-3 anti-submarine warfare helicopter for the Japanese Maritime Self Defence Force.

S-61D-3 - Export version for the Brazilian Navy.

S-61D-4 - Export version for the Argentine Navy.

S-61NR - Search and rescue version for the Argentine Air Force.

S-61L/N - Civil versions of the Sea King.

S-61R - The S-61R served in the United States Air Force as the CH-3C/E Sea King and the HH-3E Jolly Green Giant, and with the United States Coast Guard and the Italian Air Force as the HH-3F Sea King (more commonly referred to by the nickname "Pelican").

S-61V - Company designation for the VH-3A, (1 built for Indonesia).

United Aircraft of Canada

CH-124 - Anti-submarine warfare helicopter for the Canadian Navy.

Westland

The Westland Sea King variant was manufactured under license by Westland Helicopters, Ltd. in the United Kingdom, who developed a specially modified version for the Royal Navy. It is powered by a pair of Rolls-Royce Gnome turbines, and has British avionics and ASW equipment. This variant first flew in 1969, and entered service the next year. It is also used by the Royal Air Force and has been sold round the world.

Agusta

AS-61 - Company designation for the H-3 Sea King built under licence in Italy by Agusta.

AS-61A-1 - Italian export model for the Royal Malaysian Air Force.

AS-61A-4 - Military transport helicopter, search and rescue helicopter. Built under licence in Italy by Agusta.

AS-61N-1 Silver - License built model of the S-61N, with a shortened cabin.

AS-61VIP - VIP transport helicopter. Built under licence in Italy by Agusta.

ASH-3A (SH-3G) - Utility transport helicopter. Built under licence in Italy by Agusta.

ASH-3D - Anti-submarine warfare helicopter. Built under licence in Italy by Agusta. Flown by the Italian, Brazilian, Peruvian and Argentinian navies.

ASH-3TS - VIP, executive transport mission helicopter. Built under licence in Italy by Agusta. Also known as the ASH-3D/TS.

ASH-3H - Anti-submarine warfare helicopter. Built under licence in Italy by Agusta.

Mitsubishi

S-61A - Licence built-version of the S-61A as Search-and-Rescue and Utility helicopters for the Japan Maritime Self Defence Force (18 Built)

HSS-2 - Licence built version of the S-61B as an Anti-submarine warfare helicopter for the Japan Maritime Self Defence Force (55 Built).

HSS-2A - Licence built version of the S-61B(SH-3D) as an Anti-submarine warfare helicopter for the Japan Maritime Self Defence Force (28 Built).

HSS-2B - Licence built version of the S-61B(SH-3H) as an Anti-submarine warfare helicopter for the Japan Maritime Self Defence Force (23 Built).


Sources:
Wikipedia: Sikorsky SH-3 Sea King

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