Helicopter Aerospatiale AS350B Ecureuil Serial 1623 Register 275 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 275 see also mk27 143 w/o 1982 s-70i 70-5343 as532m1 2373 MD530F 0275FF 1978 has.2 fn 071 2006 aw139 31059 275 Republic of Singapore Air Force RSAF as350E type, w/o unk Send Updates Use APP to upload photo @ (optional) When Now? / / Send