Helicopter Sikorsky CH-3C Serial 61-567 Register N4196Z 65-12792 used by US Air Force USAF. Aircraft history and location Aircraft History 65-12792 US Air Force USAF conv CH-3E 1995 to N4196Z N4196Z - ex USAF 65-12792 Send Updates Use APP to upload photo @ (optional) When Now? / / Send