USMC combat visions - advanced avionics for next generation helicopters

摘要

The United States Marine Corps awarded the first phase of the H-1 platform upgrade program to Bell Helicopter in late 1996.This effort resulted in substantial improvements to both the AH-1 Gunship and UH-1 Utility aircraft.Upgrades included a new transmission and a 4-bladed rotor with resulting improvements in mission effectiveness and cost of ownership.