Helicopter Bell UH-1N Serial 31738 Register 166475 160446 used by US Marine Corps USMC. Aircraft history and location Aircraft History 160446 US Marine Corps USMC conv to UH-1Y BuNo 166475 1982-02-11 A HMD DevonportHML-167 /TV-23 aboard USS Guadalcanal during visit to Devonport, 11 Feb 1982 166475 US Marine Corps 2006-05 B KMEM Bell UH-1Y Venom conv from UH-1N BuNo 160446 /XE VX-31 /DD wfu 2006 Send Updates Use APP to upload photo @ (optional) When Now? / / Send