Helicopter Bell UH-1N Serial 31415 Register 158244 used by US Marine Corps USMC. Aircraft history and location Aircraft History 158244 US Marine Corps 2003-05-01 Bell HH-1N USMC, conv to HH-1N w/o 01may03 at NAS Fallon during autorotation training soc 30oct03 Send Updates Use APP to upload photo @ (optional) When Now? / / Send