Helicopter Sikorsky S-70B Serial 70-3082 Register 261 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 261 see also has.2 fn 027 scrapped 1998 mk25 007 uh-1d 8627 1953 uh-25b 261 1973 Commando wa 786 2016 MD530G 0261FF w/o 2017 261 Republic of Singapore Air Force RSAF 123 Sqn Send Updates Use APP to upload photo @ (optional) When Now? / / Send