The MacDonald-Douglas MD 520N helicopter is part of a family of light utility helicopters with a revolutionary design. The dispensed with a conventional anti-torque tail rotor in favor of the Hughes/McDonnell Douglas developed NOTAR system. This helicopter was spotted in the Turks and Caicos Islands and the photos are posted here for your delight.
Commonly known as “drones”, unmanned aerial vehicles have been around for a while and have proven to be very useful in military operations. Starting with the Vietnam War, drones have been proliferating at an astonishing rate.
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