Helicopter Bell UH-1B Iroquois Serial 608 Register 272 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 272 see also as532m1 2368 mi-24d 340272 mk27 124 s-70i 70-5340 1978 has.2 fn 063 2006 ec135t2 0478 272 Republic of Singapore Air Force Send Updates Use APP to upload photo @ (optional) When Now? / / Send