Bell AH 1 Z Viper in action
Bell AH 1Z Viper in action The Bell AH1Z Viper is a twinengine attack helicopter based on the AH1W SuperCobra, that was developed for the United States Marine Corps. The AH1Z features a fourblade, bearingless, composite main rotor system, uprated transmission, and a new target sighting system. The AH1Z is part of the H1 upgrade program. It is also called Zulu Cobra in reference to its variant letter. Белл AH1Z Вайпер (англ. Bell AH1Z Viper) американский ударный вертолёт, созданный на базе B
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