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Sunday, 20 November 2011 16:31
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Bell AH-1Z Viper Attack helicopter
 
 
 
AH-1Z Viper attack helicopter technical data sheet specifications intelligence description information identification pictures photos images video United States American US USAF Air Force defence industry military technology
 
Description

The Bell AH-1Z Viper is a twin-engine attack helicopter based on the AH-1W SuperCobra, that was developed for the United States Marine Corps. The bell AH-1Z is multi-mission attack helicopter. The powerful AH-1Z delivers state of the art dynamics, weapons and avionics to incorporate the latest in survivability. With anti-armor capability, it engages and defeats the broadest array of threats at standoff ranges that defy imagination. The AH-1Z completed sea-trial flight testing in May 2005. On 15 October 2005, the USMC, through the Naval Air Systems Command, accepted delivery of the first AH-1Z production helicopter to enter the fleet. The AH-1Z and UH-1Y completed their developmental testing in early 2006.[20] During the first quarter of 2006 the aircraft were transferred to the Operational Test Unit at the NAS Patuxent River, where they began operational evaluation (OPEVAL) testing. As part of the H-1 Upgrade Program, the AH-1Z replaces the currently fielded AH-1W. The AH-1Z will serve a primary role in assault support, offensive air support and air reconnaissance. The Zulu will play a supporting role in anti-air warfare, electronic warfare, and control of aircraft and missiles. In March 2011, Bell Company announced that the U.S. Marine Corps' newest attack helicopter, the AH-1Z Cobra, achieved Initial Operating Capability ahead of schedule in February.

 
Variants
No variants at this time
 
Technical Data
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Design
The AH-1Z incorporates new rotor technology with upgraded military avionics, weapons systems, and electro-optical sensors in an integrated weapons platform. It has improved survivability and can find targets at longer ranges and attack them with precision weapons. The small silhouette and shape of the AH-1Z as well as low IR reflective paint greatly contributes to the survivability of the aircraft. The fuel system is ballistically tolerant with built-in fire suppression and internal (integral), self-sealing, crashworthy tanks in the weapons pylons that increase fuel capacity for extended mission range.
The AH-1Z utilizes a combination of conventional metal aerospace construction, as well as composite materials where applicable, to reduce cost and weight and improve reliability and ballistic tolerance. The fuselage consists of two main sections; the forward (cockpit) section, and the aft (tailboom) section. The forward section includes tandem crew cockpits, landing gear, weapon pylons, power plant and pylon assembly. The tailboom section supports the tail group, tail skid, tail rotor, and tail rotor drive system. The minimum design life of the Airframe is 10,000 flight hours.
Armament
Target Sight System (TSS) incorporates a third-generation FLIR and currently provides the longest range, lowest jitter and highest weapons' accuracy possible of any helicopter sight in the world. In addition, the completely passive and automatic system scans the battlefield without emitting trackable radar, positively identifying and tracking multiple targets at ranges beyond the maximum range of its weapons system. The primary weapon system is the Hellfire missile. It is fully shipboard compatible, and capable of operating from prepared or unprepared landing sites, day or night.
The AH-1Z incorporates the most capable armament and fire control system available today. The armament system is a fully integrated platform which consists of a 20mm turret system (3 barrel cannon), 2.75 inch (70mm) Wrap-Around Fin Aerial Rockets; Hellfire missile system, and the AIM-9 air-to-air missile system. The armament stores are mounted in a variety of combinations on six external ordnance stub wing store stations (four of which are universal). The ordnance can be guided at night and during adverse weather by use of the Target Sighting System. Also integrated with the armament system of the AH-1Z are the Armament Control and Display System, Pilot and Gunner Helmet Mounted Display, and Airborne Target Handover System.
Weapons capability:
• AGM-114A, B, and C Hellfire and anti-tank missiles up to 16 total
• AGM-114F Hellfire anti-ship missiles – up to 16 total
• 70mm Rockets, 19 or 7 shot pods – up to 76 total
• AIM-9 Sidewinder (A superior supersonic air-to-air missile with infrared target detection for fire and forget capability.)
• LUU-2A/B nighttime illumination flare
• Mk 77 fire bombs
• 77 and 100 gallon external auxiliary fuel tanks
• 20 mm cannon (With a higher muzzle velocity and flatter trajectory for better accuracy, it is capable of handling M50-series rounds designed specifically for air-to-air combat)
• MK 76 practice bombs
• BDU-33D/B practice bombs
• MK 106 practice bombs

Flight equipment
The Zulu also incorporates modernized, fully integrated cockpits/avionics that will reduce operator work load while improving situational awareness while being able to carry 32% more fuel. Northrop Grumman has the responsibility for the design, development, and delivery of the H-1 Integrated Avionics System (IAS), which includes cockpit displays and controls, communications, navigation, external stores and weapons management system, and a central mission computing subsystem.The "Top Owl" Helmet Mounted Sight and Display (HMS/D) system supports improved communication and reduced cockpit workload. Manufactured by THALES Avionics, the Top Owl HMS/D is the most technically advanced helmet available. Upgradeable "in-service" and as additional requirements develop, it combines both avionics function with the aircrew life support and protection into a single unit.
Propulsion
The AH-1Z is a design for the 21st century. Produced to meet the stringent requirements of the USMC today – its aircraft design brings together proven AH-1W airframe reliability, a new composite four bladed rotor system and powerful T700-GE-401engines. The AH-1Z is equipped with two General Electric T700-GE-401 series engines and greatly increased lift capability and stores capacity, giving it a significantly greater ordnance payload for future growth potential.
The T700 engine has an integral particle separator, a self-contained lubrication system that uses fuel flow to cool the engine oil, and an integral history recorder. Only ten tools are required to perform field maintenance. With over 19 million service hours accumulated on 10,000 T700/CT7 engine variants in service, this engine is mature and has already earned an enviable reputation for reliability. The T700-GE-401 engine is the most fuel efficient engine in hot day, high altitude performance.
Combat use
 
Specifications
 
Type
Attack helicopter
Country user
United States
Country producer
United States
Crew
2
a
Engine
2 × General Electric T700-GE-401C turboshaft, 1,800 shp (1,340 kW) each
Speed
Maximum speed: 296 km/h
Range
685 km maximum
Weight
5,580 kg empty weight
Armament
anti-ship missile, anti-tank missile Rocket launcher, fire bombs or machine gun pod
Dimension
Length: 17.8 m; Rotor diameter: 14.6 m;
Height: 4.37 m
Details View
AH-1Z Viper attack helicopter technical data sheet specifications intelligence description information identification pictures photos images video United States American US USAF Air Force defence industry military technology
 
AH-1Z Viper attack helicopter technical data sheet specifications intelligence description information identification pictures photos images video United States American US USAF Air Force defence industry military technology
AH-1Z Viper attack helicopter technical data sheet specifications intelligence description information identification pictures photos images video United States American US USAF Air Force defence industry military technology
AH-1Z Viper attack helicopter technical data sheet specifications intelligence description information identification pictures photos images video United States American US USAF Air Force defence industry military technology
AH-1Z Viper attack helicopter technical data sheet specifications intelligence description information identification pictures photos images video United States American US USAF Air Force defence industry military technology
 
Pictures - Video
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