Helicopter Sikorsky CH-3C Serial 61-512 Register 63-9680 used by US Air Force USAF. Built 1964. Aircraft history and location Aircraft History 63-9680 US Air Force 1964-04-16del USAF as CH-3C 63-9680 16Apr64 xfer 341st SMW, Malmstrom AFB, MT (SAC) Destroyed at missle site 1965. Send Updates Use APP to upload photo @ (optional) When Now? / / Send