Helicopter Bell AH-1Z Viper Serial 59023 Register 168420 used by US Marine Corps USMC. Aircraft history and location Aircraft History 168420 US Marine Corps 2012HMLAT-303 /QT-627 HMLAT-303 2014 HMLA-369 /SM-45 HMLA-369 2022 A AMARC / AMARG 309th AMARG Send Updates Use APP to upload photo @ (optional) When Now? / / Send