That presents opportunities for small players like Aurora Flight Sciences, a UAV producer with ties to border security.
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Three men have been arrested in Delhi for trying to board a flight with small primates hidden in their underwear.
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Landing at Hanoi on a commercial flight, his small delegation canters through the airport unnoticed by milling passengers.
"The physics of flight at such small scales is relatively poorly understood which makes designing small flying systems very difficult, " he told BBC News, adding that biological systems provided "critical insights into designing our own artificial flyers".
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This flight was important for a number of reasons, but in no small part because it represented the first controlled, sustained flight complete with human-powered takeoff.
Actually piloting the robo-bug is achieved through a smartphone app, but an on-board ARM-based microcontroller makes small adjustments to ensure stability during flight.
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We followed Li into a small Chinese storefront, down a flight of stairs, and into a hot, claustrophobic hallway flanked by windowless rooms jammed with Chinese diners.
The result is a new market for in-flight entertainment, both for small airlines with older planes, and for short- or medium-haul planes that make up roughly three quarters of commercial airplanes.
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However, if no air marshals are aboard (currently they are assigned to most international flights but only a small percentage of domestic flights), flight attendants and passengers are the first line of defense.
Small 10-seater planes make the hour flight to the falls, approaching up the river canyon and swooping down close to the lip of the cascade for the perfect photo op, before landing at the nearby Kaieteur airstrip.
Airline gas mileage has improved over the years, the result of filling more seats on each flight, replacing multiple trips on small planes with fewer trips on larger aircraft and replacing older planes with newer, more fuel-efficient jets.
It's a small but telling thing, he says, that top flight financiers can get home in the afternoon to see their children playing school sports, and get back to their desks within minutes.
Hobica suggested it was successful because the South Pacific carrier is a very small, regional airline that typically carries fewer than 30 people per flight, making weigh-ins logistically possible.
As for federal steps, the Federal Aviation Administration says some flight restrictions are going into effect today, including renewed flight restrictions over sporting events, and some classes of small airplanes that had gotten waivers to fly in the 15-mile restricted zone around Washington will no longer be able to do so.
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Kramer manages to damage the plane's controls in mid-flight and they're forced to land in the conservative small town of Latham, Massachusetts, where they witness a carjacking.
The shards represent small fragments of magma ejected from a volcano that have "frozen" in flight.
Global Hawk can pick out objects as small as a truck with its synthetic aperture radar, which uses the plane's flight path to simulate the curve of a radar dish several hundred meters long.
Suddenly, these small training aircraft cost more to buy than decent homes or luxury cars and the impact on flight training was even more acute.
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But Aeromobile's technology involves installing a small mobile base station on board to manage signal strength, and ensure calls do not interfere with flight systems.
Small cracks have been discovered on the wings, and in 2010 a Rolls Royce engine on a Qantas flight exploded in mid-flight.
It's a small DVD player shaped like a laptop computer with a small screen that is more or less aimed directly at frequent fliers who share our opinion of in-flight movies.
On our maiden voyage, about three hours into the flight, the plane began to slow down and reduce altitude so that it could land in a small airport to refuel.
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