Helicopter Bell UH-1N Serial 31712 Register N497DB 159775 used by Brown Helicopter Inc BHI ,US Marine Corps USMC. Aircraft history and location Aircraft History 159775 US Marine Corps USMC 2011 AMARC N497DB Brown Helicopter Inc 2013-09Brown Helicopter Inc at Pensacola, FL from Sep13 Send Updates Use APP to upload photo @ (optional) When Now? / / Send