Helicopter Bell AH-1T Super Cobra Serial 26123 Register 161021 used by US Marine Corps USMC. Aircraft history and location Aircraft History 161021 US Marine Corps USMC conv AH-1W c/n 29199 1999 deployed aboard USS Nassau (LHA 4) as ES-31/HMLA-167 2000 TV-31/HMLA-167 HMLA-167 Send Updates Use APP to upload photo @ (optional) When Now? / / Send