Helicopter Sikorsky HSS-2 Sea King Serial 61-121 Register N705WW 149705 used by US Department of State ,US Navy USN. Aircraft history and location Aircraft History 149705 US Navy USN conv SH-3H 1994 AMARC/9H0083 N705WW US Department of State 2010-09 Sikorsky S-61T Triton State Dept from Sep10, conv to S-61T Oct14 not confirmed. Can also be N983WW 2017-03-13 canc 13mar17, fate unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send