Helicopter Bell AH-1Z Viper Serial Register 167810 used by US Marine Corps USMC. Aircraft history and location By Ned Harris Aircraft History 167810 US Marine Corps USMC 2011 HMLA-367 /VT-42 HMLA-367 2013-04-15 A KNYL as HMLA-267 /UV-42 at MCAS Yuma, AZ HMLA-267 Send Updates Use APP to upload photo @ (optional) When Now? / / Send