Helicopter Aerospatiale AS350B Ecureuil Serial 1635 Register 279 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 279 see also mk81 198 MD530F 0279FF se3160 1279 as532m1 2385 2008 aw139 31145 279 Republic of Singapore Air Force RSAF as350E type 2001 instructional airframe at air force school Send Updates Use APP to upload photo @ (optional) When Now? / / Send