AH-1Z Viper

AH-1Z Viper


The roles for the U.S. Marine Corps:

Close Air Support
Armed Escort/Reconnaissance
Anti-Armor Operations
Control of Supporting Arms
Anti-Air Warfare


The United States Marine Corps (USMC) replaced the two-bladed AH-1W Super Cobra with the AH-1Z Viper, which features a new, four-bladed composite rotor system, performance-matched transmission, four-bladed tail rotor, upgraded landing gear and a fully integrated glass cockpit. The AH-1Z is equipped with an integrated advanced fire control system and the capacity to support multiple weapons configurations.


Fuselage Length: 44 feet, 10 inches
Overall Length: 58 feet, 3 inches
Height: 14 feet, 4 inches
Weight: 12,300 lbs (empty), 18,500 lbs (max gross)
Max Useful Load: 5,764 lbs
Max Internal Fuel: 2,858 lbs
Payload (Hot Day): 3,179 lbs
Max Endurance: 3.3 hrs
Speed: 200 knots (max), 142 knots (cruise)
Service Ceiling: 20,000 feet (max operational altitude is 10,000ft PA)
Range: 125 Nautical Miles (Mission radius)
Power Plant: 2 General Electric T700-GE-401C turboshaft engines
Sensor: Advanced Third Generation FLIR – Lockheed Martin, Target Sight System (TSS)
Weapons Stations: 6 Wing Stores (4 Universal, 16 PGM’s)
Crew: Two; pilot, co-pilot/gunner
Contractor: Bell Helicopter Company

Program Status

Acquisition Phase: In Production
Projected Inventory: 189
Initial Operational Capabilities (IOC) date: Feb 2011
Full Operational Capabilities (FOC) date: 2020

Updated June 2020