Helicopter Sikorsky HO4S-3 Serial 55-877 Register 55877 used by Royal Canadian Navy (1945-1968). Built 1955. Aircraft history and location Aircraft History 55877 Royal Canadian Navy (1945-1968) 1955-06-10HO4S-3 RCN 4 d/d 10jun55 wfu 16may70 Shearwater Angel preserved at National Aviation Museum Rockcliffe, Ottawa, Ontario 1978-03 A Canada Aviation and Space Museum Exhibit to Rockcliffe Museum by Mar 1978. Still present 24 Oct 2016. Send Updates Use APP to upload photo @ (optional) When Now? / / Send