Helicopter Sikorsky S-55 Serial 55-774 Register CF-JTA 9620 used by Royal Canadian Air Force (1945-1968). Built 1954. Aircraft history and location Aircraft History 9620 Royal Canadian Air Force (1945-1968) 1954-09-03Sikorsky S-55 c/n 55-774, ff:? ordered by P&WC for RCAF del RCAF as 9620, 03Sep54. CF-JTA - 1963-05-09 w/o 09may63 Send Updates Use APP to upload photo @ (optional) When Now? / / Send