Sikorsky XHJS

Sikorsky S-53 / XHJS-1
Role	Helicopter
National origin	United States
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 Piasecki XHJP-1. With the Piasecki 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.[1]

Specifications (XHJS-1)

General characteristics

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

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References

Notes

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.

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[Andrade-1] Andrade 1979, p. 194

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-50 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 S-97 S-100 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 MH-53 CH-54 UH-60 HH-60G HH-60J/MH-60T MH-60R/S SH-60B/F H-60J/K VH-60 RAH-66 VH-92 CH-124 CH-148 HLH
Experimental aircraft	Cypher/Cypher II Firefly Raider Raider X SB-1 X2 XBLR-3 XV-2

Sikorsky XHJS

Design and development

Variants

Specifications (XHJS-1)

See also

References