Helicopter Aerospatiale AS350B Ecureuil Serial 1711 Register 281 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 281 see also as332m 2137 se3130 1568 mk81 211 MD530F 0281FF 281 Republic of Singapore Air Force RSAF as350E type, w/o? Send Updates Use APP to upload photo @ (optional) When Now? / / Send