Detailed history and photos of helicopter Bell 47J Serial 1575 Register 57-2728 used by US Air Force USAF Track service timeline and current status. Aircraft History 57-2728 mar57 US Air Force 1957-03 A KDCAas H-13J Ranger for USAF Presidential Flt. 1962-01 B KBOFto 1001 Helicopter Sq (VIP flight).Redesignated as a UH-13J in Sep 1962. 1967Retired. Send Updates Use APP to upload photo @ (optional) When Now? / / Send
