# Sikorsky XHJS

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Sikorsky S-53 / XHJS-1 General information Type Helicopter National origin United States Manufacturer Sikorsky Aircraft Primary user United States Navy Number built 2 History First flight 22 September 1947 Developed from Sikorsky S-51

The **Sikorsky XHJS-1** (manufacturer designation **S-53**), was developed by [Sikorsky Aircraft](/source/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](/source/Continental_R-975), the S-53 was a development of the [S-51](/source/Sikorsky_H-5) 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](/source/Piasecki_H-25). 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](/source/Continental_R-975) , 525 hp (391 kW)

- **Main rotor diameter:** 49 ft 0 in (14.94 m)

## See also

**Related development**

- [Sikorsky S-51](/source/Sikorsky_S-51)

**Aircraft of comparable role, configuration, and era**

- [Piaseckli XHUP-1](/source/Piasecki_H-25)

## References

Wikimedia Commons has media related to [Sikorsky XHJS](https://commons.wikimedia.org/wiki/Category:Sikorsky_XHJS).

**Notes**

1. ^ [***a***](#cite_ref-Andrade_1-0) [***b***](#cite_ref-Andrade_1-1) [***c***](#cite_ref-Andrade_1-2) Andrade 1979, p. 194

**Bibliography**

- Andrade, John (1979). *U.S.Military Aircraft Designations and Serials since 1909*. Midland Counties Publications. [ISBN](/source/ISBN_(identifier)) [0-904597-22-9](https://en.wikipedia.org/wiki/Special:BookSources/0-904597-22-9).

v t e 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-22/23/24/25/26/27 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 P2S 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-95 S-97 S-100 S-102 S-103 S-300 S-333 S-434 Helicopters (military designations) SH-3 Sea King HH-3E/F R-4 H-5 H-6 H-18 H-19 Chickasaw H-34 Choctaw CH-37 Mojave XH-39 HH-52A Seaguard CH-53 Sea Stallion CH-53E Super Stallion CH-53K King Stallion MH-53 CH-54 Tarhe UH-60 Black Hawk HH-60G Pave Hawk HH-60J/MH-60T MH-60R/S Seahawk SH-60B/F Seahawk H-60J/K VH-60 RAH-66 Comanche VH-92 Patriot CH-124 Sea King CH-148 Cyclone HLH Experimental aircraft Cypher/Cypher II Firefly Raider Raider X SB-1 X2 XBLR-3 XV-2

v t e 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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Adapted from the Wikipedia article [Sikorsky XHJS](https://en.wikipedia.org/wiki/Sikorsky_XHJS) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Sikorsky_XHJS?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.