Helicopter Sikorsky CH-3C Serial 61-566 Register N61EV 65-12791 used by Evergreen Helicopters ,US Air Force USAF. Aircraft history and location Aircraft History 65-12791 US Air Force USAF conv CH-3E 1991 AMARC 44013 to USCG to N61EV AMARG N61EV Evergreen Helicopters Evergreen ex 65-12791 Send Updates Use APP to upload photo @ (optional) When Now? / / Send