Helicopter Sikorsky S-70B Serial 70-3149 Register 266 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 266 see also uh-1d 9258 w/o 1988 MD530G 0266FF UH-1B 755 1978 has.2 fn 046 1978 mk27 076 266 Republic of Singapore Air Force RSAF 123 Sqn Send Updates Use APP to upload photo @ (optional) When Now? / / Send