Helicopter Bell UH-1N Serial 31665 Register 159189 used by US Marine Corps USMC. Aircraft history and location By Ned Harris Aircraft History 159189 US Marine Corps 2008-05 A KNYLUSMC May08 as HMLA-773 /MP-14 20 still at Yuma, AZ HMLA-773 Send Updates Use APP to upload photo @ (optional) When Now? / / Send