quadcopter


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quad·cop·ter

 (kwŏd′kŏp′tər)
n.
A drone or other aircraft that derives its lift from four vertically-oriented rotors.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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California-based Impossible Aerospace has announced that its US-1 flying battery quadcopter is the first aircraft of its kind to cross the Black Rock desert in Nevada
A citizen of Mongolia was detained in Moscow for launching quadcopter on the Red Square, the new agency Moscow reported with reference to a source in law enforcement bodies.
Yes, you've heard it right, this dangerous but exciting contraption can genuinely turn your quadcopter into the ultimate fire breathing machine. 
Physical Sciences is in line to receive a sole-source supplier contract from the US Air Force for the InstantEye quadcopter drone.
How do you program a quadcopter so it'll hover in the air?
The team tallied the hundreds of thousands of birds nesting in the rocky soil and also used a modified commercial quadcopter drone to take images of the entire island from above.
Pakistan Army troops shot down an Indian spying quadcopter in Rakhchikri Sector along the Line of Control (LoC) on Saturday.
RAWALPINDI -- Pakistan Army troops shot down an Indian spying quadcopter in Rakhchikri Sector along the Line of Control (LoC) on Saturday.
'Pakistan Army troops shot down an Indian spying quadcopter in Rakh Chikri Sector along Line of Control,' tweeted Maj Gen Asif Ghafoor, director-general of the Inter-Services Public Relations (ISPR), the military's media affairs wing, on Saturday.
R A W A L P I N D I -- Pakistan Army shot down a "spying quadcopter" in the Rakhchikri sector along the Line of Control (LoC), Director General (DG) Inter-Services Public Relations (ISPR) Maj Gen Asif Ghafoor said on Saturday.
Rawalpindi -- The Pakistan Army shot down a 'spying quadcopter' in the Rakhchikri sector along the Line of Control, Director General Inter-Services Public Relations Maj Gen Asif Ghafoor said on Saturday.