AH-1Z Initial Flying Qualities Development
NAVAL AIR WARFARE CENTER AIRCRAFT DIV PATUXENT RIVER MD
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The United States Marine Corps H-1 Upgrades program has been developed to produce advanced aircraft to replace the aging fleet of AH-1W and UH-1N helicopters. The new AH-1Z and UH-1Y are near total redesigns of the baseline aircraft to provide the Marine Corps with flexible and powerful attack and utility helicopters for the 21st century. The first AH 1Z is a structural and aerodynamic demonstrator, and it is currently in the initial stages of Development and Envelope Expansion flight testing as a part of Engineering and Manufacturing Development. Some of the upgrades that are being evaluated on the first AH-1Z are the new four bladed composite main and tail rotor systems, new drive systems, new wet wings, new landing gear, new hydraulics and flight controls, and strengthened structure. New advanced Integrated Avionics and Weapons Systems are included in the H-i Upgrades program but are not installed on AH-1Z 1. This paper will briefly outline the course of development and envelope expansion to date and then highlight several lessons learned during this initial testing.
- Terminal Flight Facilities