Helicopter Bell UH-1B Iroquois Serial 676 Register 271 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 271 see also has.2 fn 059 s-70i 70-5339 as532m1 2365 mi-24d 340271 1979 mk27 118 2005 ec135p2 0431 271 Republic of Singapore Air Force Send Updates Use APP to upload photo @ (optional) When Now? / / Send