Helicopter Bell UH-1N Serial 31408 Register 158237 used by US Navy USN ,US Marine Corps USMC. Aircraft history and location Aircraft History 158237 US Marine Corps USMC, conv to HH-1N US Navy 1986-01-17 Bell HH-1N USN, VXE-6 w/o 17jan86 VXE-6 Send Updates Use APP to upload photo @ (optional) When Now? / / Send