Development of S-51 design to meet Naval requirement for a utility helicopter, 2 prototypes built. The type was evaluated against the Piaseckli XHJP-1, which won the competition and was produced as the HUP-1 Retriever.
List of Operators of Sikorsky S-53 XHJS
|From||Organisation with model S-53 XHJS|
|Construction Numbers on database of S-53 XHJS or its versions|
|53-001||1947|| 30368 : Sikorsky S-53, c/n 53-001, ff: 22Sep47; del US Navy as + |
|53-002||1947|| 30370 : Sikorsky S-53, c/n 53-002, ff:?; del US Navy as XHJS, 3+ |