Helicopter Bell UH-1H Iroquois Serial 13899 Register 235 used by Republic of Singapore Air Force RSAF. Aircraft history and location Aircraft History For 235 see also UH-1C 1775 1967 Wasp f.9680 w/o 1978 1981 mk86 235 235 Republic of Singapore Air Force RSAF Send Updates Use APP to upload photo @ (optional) When Now? / / Send