The Unmanned aerial vehicle reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Unmanned aerial vehicle

An Unmanned Aerial Vehicle (UAV), also called a drone, is a self-descriptive term used by the US military and others to describe the latest generations of pilotless aircraft. Taken literally, the term could describe anything from kitess, through hobbyist radio-controlled aircraft, to cruise missiles from the V-1 Flying Bomb onwards, but in the military parlance is restricted to reusable heavier-than-air craft.

Interest in such craft has grown within the higher echelons of the US military, as they offer the possibility of cheaper, more capable fighting machines that can be used without risk to aircrews. Initial generations have primarily been surveillance aircraft, but some have already been fitted with weaponry (such as the RQ-1 Predator, which has been fitted with AGM-114 Hellfire air-to-ground missiles). The military envisions that more and more roles will be performed by unmanned aircraft, initially bombing and ground attack, with air-to-air combat expected to be the last domain of the fighter pilot for now. Unmanned fighter jets are known as the Unmanned Combat Aerial Vehicle or UCAV for short.

U.S Models:

• RQ-1 Predator
• RQ-2 Pioneer
• RQ-3 Dark Star
• RQ-4 Global Hawk
• RQ-5 Hunter
• RQ-6 Outrider
• RQ-7 Shadow
• GNAT-750.

French Models:

• Sperwer

NASA has been sponsoring research into a solar-powered UAV called Helios, which in 2001 reached an altitude of almost 30 km. Helios broke up and crashed over the Pacific on 26 June 2003.

Commercial interest in non-military UAVs has led to several startups that are designing and selling autonomous aircraft. These include Rotomotion, Neural Robotics, Micropilot and the Free Software autopilot project.

The Israeli Air Force plans to procure a large long-range unmanned air vehicle that resembles a fighter-jet.

The Israeli UAV, named Eitan, sports a wingspan of 26 meters and a takeoff weight of four tons. The state-owned Israel Aircraft Industries developed the Eitan.

Eitan would be a multi-purpose UAV with automatic takeoff and landing able to locate and destroy mobile ballistic missile launchers in reconnaissance and attack missions.

See also: UCAV

External links

• "Human Pilots: Who Needs 'Em?" – Wired News, 23 Nov 2003
• AUVS International Aerial Robotics Competition – Home page by Robert Michelson, AUVS International / Georgia Tech Research Institute

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