Sikorsky XHJS

Sikorsky S-53 / XHJS-1

Role	Helicopter
Manufacturer	Sikorsky Aircraft
First flight	22 September 1947
Primary user	United States Navy
Number built	2
Developed from	Sikorsky S-51

The Sikorsky XHJS-1 (manufacturer designation S-53), was developed by Sikorsky Aircraft to meet a Naval requirement for a utility helicopter. The XHJS-1 was not ordered into production and only two prototypes were built.^[1]

Design and development

Powered by a 525 hp (391 kW) Continental R-975-34 the S-53 was a development of the S-51 designed for use on aircraft carriers. The tail rotor was raised above head-height to give more clearance and the landing gear was made stronger to enable operations from a moving deck. Other enhancements were a folding main rotor and the option for amphibious landing gear. Two prototypes were ordered by the United States Navy as the XHJS-1^[1] and the first flew on 22 September 1947. The type was evaluated against the Piaseckli XHJP-1. With the Piasceki design being ordered as the HUP-1 by the Navy the S-53 was not developed further.

Variants

XHJS-1: Prototype Naval utility helicopter, two built (BuNo 30368 and 30370).^[1]

Specification (XHJS-1)

General characteristics

Crew: 1
Capacity: 3
Powerplant: 1 × Continental R-975-34 , 525 hp (391 kW)
Main rotor diameter: 49 ft 0 in (14.94 m)

References

Wikimedia Commons has media related to Sikorsky XHJS.

Notes

1 2 3 Andrade 1979, p. 194

Bibliography

Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN 0-904597-22-9.

Sikorsky aircraft

Fixed-wing aircraft (company designations)	S-1 S-2 S-3 S-4 S-5 S-6 S-7 S-8 S-9 S-10 S-11 S-12 S-13 S-14 S-15 S-16 S-17 S-18 S-19 S-20 S-21 S-22 S-23 S-24 S-25 S-26 S-27 S-28 S-29-A S-30 S-31 S-32 S-33 S-34 S-35 S-36 S-37 S-38 S-39 S-40 S-41 S-42 S-43 VS-44 S-45

Fixed-wing aircraft (military designations)	C-6 C-28 JRS JR2S PS RS XBLR-3 XPBS XSS XV-2

Helicopters (company designations)	VS-300 (S-46) S-47 S-48 S-49 S-51 S-52 S-53 S-54 S-55 S-56 S-57 S-58 S-59 S-60 S-61 S-61L/N S-61R S-62 S-63 S-64 S-65 S-66 S-67 S-68 S-69 S-70 S-71 S-72 S-73 S-74 S-75 S-76 S-80 S-92/H-92 S-97 S-300 S-333 S-434

Helicopters (military designations)	SH-3 HH-3E/F R-4 H-5 H-6 H-18 H-19 H-34 CH-37 XH-39 HH-52A CH-53 CH-53E CH-53K CH-54 HH-60G HH-60J MH-60R/S SH-60B/F SH-60J/K UH-60 VH-60 RAH-66 CH-124 CH-148

Experimental aircraft	Cypher Cypher II Firefly X2 XBLR-3 XV-2

USN helicopter designations pre-1962

Helicopter, Anti-submarine

Bell	HSL

Sikorsky	HSS-1 HSS-2

Helicopter, Crane

McDonnell	HCH

Helicopter, Observation

Convertawings	HOC

Hiller	HOE

Gyrodyne	HOG

Kaman	HOK

Sikorsky	HOS HO2S HO3S HO4S HO5S

Helicopter, Trainer pre-1948

Sikorsky	HNS

Helicopter, Trainer 1948-1962

Hiller	HTE

Kaman	HTK

Bell	HTL

Helicopter, Transport 1944-1962

Boeing Vertol	HRB

McDonnell	HRH

Piasecki	HRP

Sikorsky	HRS HR2S HR3S

Helicopter, Utility pre-1949

McDonnell	HJD

McDonnell	HJH

Piasecki	HJP

Sikorsky	HJS

Helicopter, Utility 1950-1962

Kaman	HUK HU2K

Bell:	HUL

McCulloch	HUM

Piasecki	HUP

Sikorsky	HUS HU2S

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Sikorsky XHJS

Design and development

Variants

Specification (XHJS-1)

See also

References