Helicopter Bell AH-1Z Viper Serial 59217 Register 168960 used by US Marine Corps USMC. Aircraft history and location Aircraft History 168960 US Marine Corps 2017-03-11 A KNJK 2017 NAF El Centro Airshow USMC 11mar17 HMLA-469./SE-41 at El Centro Airshow HMLA-469 Send Updates Use APP to upload photo @ (optional) When Now? / / Send