What are Drones ?

What are Drones?

Unmanned aerial vehicles (UAV’s), also known as drones, are aircraft either controlled by ‘pilots’ from the ground or increasingly, autonomously following a pre-programmed mission.
Drones basically fall into two categories:
Those that are used for reconnaissance and surveillance purposes.
Those that are armed with missiles and bombs.

Working of Drones

Although drones are unmanned, they are not unpiloted - trained crew at base steer the craft, analyse the images which the cameras send back and act on what they see.

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News Update

President Barack Obama has confirmed the US is using unmanned aircraft to target suspected militants in tribal areas of Pakistan.
He defended the drone attacks, saying they made precision strikes and were kept on a "tight leash".


Unmanned aerial vehicle (UAV):
UAV commonly known as a drone, is an aircraft without a human pilot on board.
A mission undertaken to obtain, by visual observation or other detection methods, information about the activities and resources of an enemy or potential enemy, or to secure data concerning the meteorological, hydrographic, or geographic characteristics of a particular area. It is also called RECON.
A close observation of a person or group, especially one under suspicion.
Global Positioning System (GPS):
GPS is a space-based satellite navigation system that provides location and time information in all weather, anywhere on or near the Earth, where there is an unobstructed line of sight to four or more GPS satellites.
Rotax 914 Engine:
It is a turbo-charged, four-cylinder, horizontally opposed aircraft engine with air-cooled cylinders and water-cooled cylinder heads.
Synthetic-aperture radar (SAR):
It is a form of radar whose defining characteristic is its use of relative motion, between an antenna and its target region, to provide distinctive long-term coherent-signal variations, which are exploited to obtain finer spatial resolution than is possible with conventional beam-scanning means.