Helicopter Bell UH-1N Serial 31731 Register 160439 used by US Marine Corps USMC. Aircraft history and location Aircraft History 160439 US Marine Corps USMC in 1994 /YM-34 HMM-365 2000 /HF-38 HMLA-269 HMM-365 2004-08-05w/o 05aug04 Send Updates Use APP to upload photo @ (optional) When Now? / / Send