Helicopter Bell UH-1H Iroquois Serial 13894 Register 227 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 227 see also th-67a 5264 1963 ab204b 3035 2008 mi-171sh 171S00081913101 227 Republic of Singapore Air Force RSAF Send Updates Use APP to upload photo @ (optional) When Now? / / Send