Helicopter Sikorsky UH-60L Black Hawk Serial 70-3813 Register 7221 used by Royal Thai Army. Aircraft history and location Aircraft History For 7221 see also as332f 2294 7221 Royal Thai Army 2013-0409Thai Army 9AvBat Apr13, Buno 10-27221 Send Updates Use APP to upload photo @ (optional) When Now? / / Send