Helicopter Bell UH-1H Iroquois Serial 13287 Register N53AG 72-21588 used by Coastal Helicopters ,US Army Aviation Army. Aircraft history and location Aircraft History 72-21588 US Army Aviation US Army to N53AG N53AG Coastal Helicopters Coastal Helicopters 2007 ex 72-21588 Send Updates Use APP to upload photo @ (optional) When Now? / / Send