Helicopter Bell UH-1D Iroquois Serial 5030 Register N4590 65-09986 used by Westwind Helicopters ,US Army Aviation Army. Aircraft history and location Aircraft History 65-09986 US Army Aviation US Army cnvt. to UH-1H toward N4590 N4590 Westwind Helicopters 1998-12-23Westwind Helicopters ex 65-9986, w/o 23Dec98 Send Updates Use APP to upload photo @ (optional) When Now? / / Send