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Sikorsky HR2S/CH-37 Mojave
Sikorsky HR2S/CH-37 Mojave
The Sikorsky HR2S came into being as an assault transport for the United States Marine Corps (USMC), with a capacity of 26 fully equipped marines. An order for the aircraft was placed in 1951 using the U.S. Navy/U.S. Marine Corps designation of the time of HR2S. The first prototype, the XHR2S-1 flew in 1953 and production deliveries of the HR2S-1 began in July 1956 to Marine Helicopter Squadron One (HMX-1), with a total of sixty aircraft being produced.

The United States Army evaluated the prototype in 1954 and ordered 94 examples as the CH-37A, the first being delivered in summer 1956. All Marine Corps and Army examples were delivered by mid-1960. Army examples were all upgraded to CH-37B status in the early 1960s, being given Lear auto-stabilization equipment and the ability to load and unload while hovering. In the 1962 unification of United States military aircraft designations, the USMC examples were redesignated from HR2S-1 to CH-37C.

Sikorsky HR2S-1/Bu. 138418
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 138419
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 138420
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 138421
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 138422
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 138423
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 138424
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140314
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140315
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140316
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Assigned to FAA National Aviation Facilities Experimental Center (NAFEC), Atlantic City, NJ.
  • Redesignated CH-37C, 1962.
  • Transferred to NASA, Langley Research Center, Langley Field, VA, January 18, 1962 to October 30, 1963.
    • Registered as N465 to US Department of the Navy, Atlantic City, NJ, February 13, 1962.
    • Cancelled November 14, 1963.
  • Transferred to NAS Jacksonville, FL.

Sikorsky HR2S-1/Bu. 140316
Sikorsky HR2S-1/Bu. 140316.
[Source: U.S. Marine Corps Photo]

Sikorsky HR2S-1/Bu. 140317
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140318
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140319
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140320
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140321
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140322
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140323
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140324
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 140325
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145855
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145856
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145857
  • Construction #: 56086
  • Delivered to the United States Marine Corps, May 28, 1958.
  • Redesignated CH-37C, 1962.
  • Assigned to HMH-461, MCAS New River, Jacksonville, NC.
  • Transferred to H&MS-26, MCAS New River, Jacksonville, NC.
  • Transferred to MASDC, Davis-Monthan AFB, Tucson, AZ for storage, September 12, 1966.
  • SOC: April 30, 1968.
  • Transferred to civilian owner as N7384, April 26, 1978.

Sikorsky HR2S-1/Bu. 145858
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145859
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145860
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145861
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145862
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145863
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145864
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145865
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145866
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145867
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145868
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145869
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145870
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145871
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145871
Sikorsky CH-37C/Bu. 140316 removes a battle damaged UH-34, 1966.
[Source: U.S. Nsvy Photo]

Sikorsky HR2S-1/Bu. 145872
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145873
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145874
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky HR2S-1/Bu. 145875
  • Construction #: N/A
  • Delivered to the United States Marine Corps.
  • Redesignated CH-37C, 1962.

Sikorsky H-37A-SI Mojave/54-0993
  • Construction #: N/A
  • Delivered to the United States Army

Sikorsky H-37A-SI Mojave/54-0994
  • Construction #: N/A
  • Delivered to the United States Army
  • Transferred to MASDC as XK028.

Sikorsky H-37A-SI Mojave/54-0995
  • Construction #: N/A
  • Delivered to the United States Army

Sikorsky H-37A-SI Mojave/54-0996
  • Construction #: N/A
  • Delivered to the United States Army

Sikorsky H-37A-SI Mojave/54-0997
  • Construction #: N/A
  • Delivered to the United States Army
  • Transferred to MASDC as XK016.

Sikorsky H-37A-SI Mojave/54-0998
  • Construction #: N/A
  • Delivered to the United States Army
  • Transferred to MASDC as XK026.

Sikorsky H-37A-SI Mojave/54-0999
  • Construction #: N/A
  • Delivered to the United States Army

Sikorsky H-37A-SI Mojave/54-1000
  • Construction #: N/A
  • Delivered to the United States Army
  • Transferred to MASDC as XK006.

Sikorsky H-37A-SI Mojave/54-1001
  • Construction #: N/A
  • Delivered to the United States Army

Sikorsky H-37A-SI Mojave/55-0610
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0611
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0612
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0613
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0614
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0615
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0616
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0617
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0618
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0619
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0620
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0621
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0622
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0623
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0624
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0625
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0626
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0627
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Lost, Vietnam, December 12, 1963.
  • 4 KIA.

Sikorsky H-37A-SI Mojave/55-0628
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0629
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0630
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0631
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0632
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0633
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0634
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0635
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0636
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0637
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0638
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0639
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0640
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0641
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0642
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0643
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0644
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0645
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0646
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0647
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0648
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0649
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/55-0650
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1642
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1643
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1644
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1645
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1646
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1647
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1648
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1649
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1650
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1651
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1652
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK0017.

Sikorsky H-37A-SI Mojave/57-1653
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1654
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1655
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1656
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1657
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK0025.

Sikorsky H-37A-SI Mojave/57-1658
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK0027.

Sikorsky H-37A-SI Mojave/57-1659
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1660
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/57-1661
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0983
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK023.

Sikorsky H-37A-SI Mojave/58-0984
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK003.

Sikorsky H-37A-SI Mojave/58-0985
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK004.

Sikorsky H-37A-SI Mojave/58-0986
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0987
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK009.

Sikorsky H-37A-SI Mojave/58-0988
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0989
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK029.

Sikorsky H-37A-SI Mojave/58-0990
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0991
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK012.

Sikorsky H-37A-SI Mojave/58-0992
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK002.

Sikorsky H-37A-SI Mojave/58-0993
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0994
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0995
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0996
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0997
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0998
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-0999
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-1000
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK008.

Sikorsky H-37A-SI Mojave/58-1001
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-1002
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-1003
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.

Sikorsky H-37A-SI Mojave/58-1004
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK021.

Sikorsky H-37A-SI Mojave/58-1005
  • Construction #: N/A
  • Delivered to the United States Army
  • Redesignated CH-37B, 1962.
  • Transferred to MASDC as XK005.

Research assistance provided by
  • Joe Baugher
  • -

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