Helicopter Aerospatiale AS350B Ecureuil Serial 1630 Register 277 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 277 see also has.2 fn 078 w/o 1983 mi-24d 340277 mk81 194 scrapped 2012 as532m1 2382 MD530F 0277FF 2007 aw139 31078 277 Republic of Singapore Air Force RSAF as350E type, w/o? Send Updates Use APP to upload photo @ (optional) When Now? / / Send