Helicopter Sikorsky HSS-2 Sea King Serial 61-056 Register 148984 used by US Navy USN. Aircraft history and location Aircraft History 148984 US Navy 1961-10-05Sikorsky S-61, c/n 61-056, ff:? del USN as HSS-2, 148984, 05Oct61 conv SH-3H, 05Oct76. 1977-08-17USN conv SH-3H HS-9 w/o 17aug77 HS-9 Send Updates Use APP to upload photo @ (optional) When Now? / / Send