Helicopter Eurocopter AS532M1 Cougar Serial 2374 Register 278 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 278 see also has.2 fn 081 w/o 1988 mk81 197 MD530F 0278FF 1982 as350b 1634 2008 aw139 31137 278 Republic of Singapore Air Force RSAF Send Updates Use APP to upload photo @ (optional) When Now? / / Send