Detailed history and photos of helicopter Sikorsky HRS-3 Serial 55-451 Register 137842 used by US Navy USN Track service timeline and current status. Aircraft History 137842 US Navy 1953-06-04USN from 04Jun53 1961-09 A KNFL, asg SAR NAS Fallon, Nevada (Longhorns) I was a helo crewman and mechanic on this Longhorns Send Updates Use APP to upload photo @ (optional) When Now? / / Send
