Helicopter Bell UH-1N Serial 31634 Register 158549 used by US Marine Corps USMC. Aircraft history and location Aircraft History 158549 US Marine Corps USMC 1998 HMLA-773./MP-26 HMLA-773 2014-08-28 A KNBG final flight at UH-1N final flight with HMLA-773, NAS New Orleans HMLA-773 Final Flight of UH-1N Huey for HMLA-773 Send Updates Use APP to upload photo @ (optional) When Now? / / Send