Sikorsky HO4S-3

This model is a version of S-55 H-19

c/n 55-475

Year 1953

Helicopter Sikorsky HO4S-3 Serial 55-475 Register ZS-HDO WV203 133743 used by Fleet Air Arm (Royal Navy) US Navy (United States Naval Aviation). Built 1953. Aircraft history and location


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usa US Navy

1953-06-30Sikorsky S-55 c/n 55-475, ff:?
acc BuAerRep (BAR) East Hartford, CT, 30Jun53
del USN as HO4S-3, 133743, 07Jul53.


united kingdom Fleet Air Arm

Sikorsky Whirlwind HAS.22 MAP to UK/Royal Navy as WV203, Ex BuAer 133743, f/f 10Jun53, d/d 26Sep53
sold 19Nov70, to South Africa as ZS-HDO, stored Swartkop, South Africa.
706Sq by Nov 1953
845Sq/V by Apr 1954
RAE Farnborough by Apr 1956 706 NAS
1956-11-06AEGPSD845Sq/V by Jun 1956, Suez assault 6 Nov 1956 845 NAS Operation Musketeer
Lee-on-Solent by Sep 1957
728 Sq C Flt/623 by Feb 1968
NARIU by Sep 1958
Fleetlands Oct 1959
737Sq/782 Jun 1960
Fleetlands Oct 1961
SAR Flt Hal Far/961 by May 1962
Westland Weston-super-Mare (conv to VIP) Oct 1966
Fleetlands store Dec 1966 737 NAS



1979BFASKsold to Autair 19 Nov 1970 to ZS-HDO
pres. SAAF Museum, Swartkop (nr Pretoria) South Africa by , still 2008, still present Feb 2012

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