Helicopter Sikorsky S-55 Serial 55-787 Register CF-JTD 9623 used by Royal Canadian Air Force (1945-1968). Built 1954. Aircraft history and location Aircraft History 9623 Royal Canadian Air Force (1945-1968) 1954-10-01Sikorsky S-55 c/n 55-787, ff:? ordered by P&WC for RCAF del RCAF as 9623, 01Oct54. CF-JTD - ex 9623 Send Updates Use APP to upload photo @ (optional) When Now? / / Send