Helicopter Sikorsky CH-3E Serial 61-584 Register 66-13286 used by US Air Force USAF. Built 1967. Aircraft history and location Aircraft History 66-13286 US Air Force 1967-07-13Sikorsky S-61R, c/n 61-584, ff? del USAF as CH-3E 66-13286, 13Jul67 - 1968-09-12 Sikorsky HH-3E Jolly Green Giant 12sep68 Send Updates Use APP to upload photo @ (optional) When Now? / / Send