Helicopter Bell 412EP Serial 36209 Register N37GR N4439U used by Aircraft Associates, Inc. ,Bell Helicopter. Built 1998. Aircraft history and location Aircraft History N4439U Bell Helicopter Bell, to N37GR N37GR State of Virginia 2007-12Aircraft Associates Inc at Manassas, VA from Dec07 Aircraft Associates, Inc. 04Sep18 - 2018-09-04To Patriot Aviation Inc in Greenville, DE 23Oct18 - 2018-10-23To TCFI AL4 LLC in Solana Beach, CA Send Updates Use APP to upload photo @ (optional) When Now? / / Send