Sikorsky S-61R

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S-61R/CH-3C/E
HH-3E Jolly Green Giant
HH-3F "Pelican"
HH-3F Pelican from Coast Guard Air Station San Francisco (cropped).jpg
US Coast Guard HH-3F "Pelican" from Coast Guard Air Station San Francisco
Role Medium-lift transport/SAR helicopter
Manufacturer Sikorsky
Agusta
First flight 1959
Introduction 1961
Status In service
Primary users United States Air Force (Historical)
United States Coast Guard (Historical)
Italian Air Force (Historical)
Tunisian Air Force
Produced 1959–1970s
Developed from Sikorsky SH-3 Sea King

The Sikorsky S-61R is a twin-engine helicopter used in transport or search and rescue roles. A developed version of the S-61/SH-3 Sea King, the S-61R was also built under license by Agusta as the AS-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 as the HH-3F "Pelican".[1]

Development

A USAF HH-3E Jolly Green Giant helicopter flies over Canada.

The Sikorsky S-61R was developed as a derivative of their S-61/SH-3 Sea King model. It features a substantially-revised fuselage with a rear loading ramp, a conventional though water-tight hull instead of the S-61's boat-hull, and retractable tricycle landing gear. The fuselage layout was used by Sikorsky for the larger CH-53 variants, and by the much later (though similarly-sized) S-92.

Sikorsky designed and built a S-61R prototype as a private venture with its first flight in 1963. During its development, the US Air Force placed an order for the aircraft, which was designated CH-3C. The Air Force used the CH-3C to recover downed pilots. The CH-3E variant with more powerful engines would follow in 1965.[2]

The improved HH-3E variant would follow later, with eight built, and all 50 CH-3Es were converted to this standard.[3][4] Known as the Jolly Green Giant, the HH-3E featured protective armor, self-sealing tanks, a retractable inflight refueling probe, jettisonable external tanks, a high-speed hoist, and other specialized equipment.[4]

In 1965, U.S. Coast Guard ordered a version designated, HH-3F Sea King (more commonly known by its nickname "Pelican") for all-weather air-sea rescue.[2] The Pelican featured a search radar with a nose antenna radome offset to port,[1][4] and water landing capability.[2]

Italian Agusta built a S-61R variant, named AS-61R under license. Agusta produced 22 helicopters for the Italian Air Force.[2] The company claimed it could re-open the production line in 36 months to build additional AS-61 helicopters.[5]

Operational service

United States

A CH-3C during the 1960s.

USAF variants served in numerous air rescue squadrons and aerospace rescue and recovery squadrons of the Military Airlift Command (MAC), rescue squadrons of the Air Combat Command (ACC) and other USAF major commands worldwide. The aircraft was also used by a number of Air Force Reserve and Air National Guard rescue squadrons. All USAF HH-3Es, to include Air Force Reserve and Air National Guard, were retired in the 1990s and replaced by the current HH-60G Pavehawk.

HH-3F Pelican was a dependable workhorse from the late 1960s until it was phased out in the late 1990s. All USCG HH-3Fs have since been replaced by the HH-60J Jayhawk.

Transatlantic flight

Between 31 May and 1 June 1967, two HH-3Es of the United States Air Force made the first nonstop flight across the Atlantic Ocean by helicopter. Departing from New York in the early hours, the two helicopters arrived at the 1967 Paris Air Show at Le Bourget after a 30 hr 46 min flight.[6][7] The operation needed nine in-flight refuelings.[7] Both helicopters were later lost in combat operations in Southeast Asia in 1969 and 1970.[6]

Honors and awards

Due to the nature of combat operations, particularly in Southeast Asia, many of the operational H-3 crews received honors and awards. The highest American military award, the Medal of Honor, was awarded to Captain Gerald Young, on 9 November 1967. Young piloted HH-3E 66-13279 of the 37th Aerospace Rescue and Recovery Squadron in an attempt to rescue an Army team trapped by enemy fire in Laos. When his aircraft was shot down, he escaped the burning wreckage and, despite severe wounds, evaded capture for 17 hours until being rescued.[8]

Italy

HH-3F of Italian Air Force

Italian Agusta began production in 1974 and delivered 22 helicopters as replacements for the Grumman HU-16 Albatross used for SAR (Search and Rescue) missions at sea. Italian Air Force AS-61R helicopters performed SAR missions under designation HH-3F in time of peace and C/SAR (Combat SAR) in time of crisis or during military assignment. All helicopters were operated by the 5 flights of the 15° Stormo Stefano Cagna and deployed in 4 bases across Italy.

From 1993 15° Stormo performed support missions to evacuate civilians during natural catastrophes and disasters in Italy. 15º Stormo was also engaged with SAR missions in the hostile zones of the several operations abroad where Italian Armed Forces were deployed - Somalia, Albania, Bosnia, Kosovo, Iraq and Afghanistan.

The Italian Air Force phased-out the HH-3F on 26 September 2014 replacing them with AgustaWestland AW139 in the SAR role[9]

Variants

USCG HH-3F Pelican on the water, demonstrating its amphibious capability. This was also the first HH-3F delivered to the Coast Guard.
S-61R
Military transport helicopter, Sikorsky model number.
HR3S-1
Proposed transport helicopter for U.S. Marine Corps, cancelled
S-61R-10
Prototype operated by Sikorsky and first flown 17 June 1963.
S-61R-12
One aircraft for the Argentine Air Force to HH-3F standards.
CH-3C
Long-range military transport helicopter for the US Air Force, 75 built.
CH-3E
Long-range military transport helicopter for the US Air Force, 45 built.
HH-3E Jolly Green Giant
Long-range search and rescue helicopter for the US Air Force, 10 built and converted from CH-3E.
MH-3E
Special Operations version for the US Air Force.
VH-3E
US Air Force VIP transport helicopter.
HH-3F "Pelican"
Long-range search and rescue helicopter for the US Coast Guard, 40 built.
AS-61R (HH-3F Pelican)
Long-range search and rescue helicopter built since 1974 under license in Italy by Agusta, 22 built.

Operators

A Tunisian HH-3 helicopter participating in a rescue exercise in Bizerte
CH-3E s/n 63-9691 of the San Bernardino County Sheriff's Department at Rialto, California

Military operators

 Tunisia

Civil operators

 United States

Former operators

 Argentina
 Italy
 United States

Aircraft on display

Argentina

United States

Specifications (HH-3E)

HH-3F.svg

Data from Evergreen,[26] Globalsecurity[27]

General characteristics

Performance

Armament

See also

Related development

References

  1. ↑ 1.0 1.1 United States Department of Defense. DOD 4120.15-L Model Designation of Military Aircraft, Rockets, and Guided Missiles. Washington, DC: Department of Defense, 1974. p. A-40; 1998. p. A-43; 2004. p. 43.
  2. ↑ 2.0 2.1 2.2 2.3 Apostolo, Giorgio. "Sikorsky S-61R". The Illustrated Encyclopedia of Helicopters. New York: Bonanza Books. 1984. ISBN 978-0-517-43935-7.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 4.2 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Donald, David, ed. "Sikorsky S-61". The Complete Encyclopedia of World Aircraft. Barnes & Noble Books, 1997. ISBN 0-7607-0592-5.
  6. ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ 9.0 9.1 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ [1]
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  20. ↑ picture
  21. ↑ Sikorsky S-61R (CH-3C) Yanks Air Museum. Retrieved: 8 April 2016.
  22. ↑ "Sikorsky CH-3E." National Museum of the US Air Force. Retrieved: 13 September 2015.
  23. ↑ "Sikorsky CH-3E Jolly Green Giant." Aerospace Museum of California. Retrieved: 13 September 2015.
  24. ↑ http://www2.hurlburt.af.mil/library/factsheets/factsheet.asp?id=3430
  25. ↑ http://www.pimaair.org/visit/aircraft-by-name/item/sikorsky-hh-3f-pelican
  26. ↑ S-61R specifications. EvergreenAviation.com
  27. ↑ HH-3 specifications. GlobalSecurity.org

External links

da:S-61 Sea King de:Sikorsky S-61 es:H-3 Sea King it:Sikorsky S-61 ms:Helikopter Nuri nl:H-3 Sea King no:Sikorsky H-3 Sea King pl:Sikorsky SH-3 Sea King pt:Sikorsky SH-3 Sea King

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