Helicopter Sikorsky HUS-1 / UH-34D Seahorse Serial 58-935 Register 145779 used by US Marine Corps USMC. Aircraft history and location Aircraft History 145779 US Marine Corps Sikorsky HUS-1, cn 58-935, ff:? del USMC as HUS-1, 145779, unk wfu & xfer MASDC as 3H0164, 1970. 1993-10 A KTUS noted at Tucson IAP as MASDC /3H164 Send Updates Use APP to upload photo @ (optional) When Now? / / Send