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• n  the speed of an aircraft relative to the air in which it is flying

• Slowing his airspeed to about 150 m.
• The airspeed indicator hand began to turn350 400.
• Unlike a helicopter, it has a gas turbinepowered propeller that drives the craft forward and provides airspeed to power two asymmetrical overhead blades.

News & Articles

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• Aviators plan RC fly-in to Libby airstrip Saturday
  A World War II-era Messerschmitt buzzes the airstrip. Some models even have retractable landing gear, which can increase the airspeed up to 12 miles an hour.
  July 16, 2013 - The Western News
• Asiana Flight 214 Investigation Focuses on Airspeed in Final Seconds
  Central to the question of just what happened in the cockpit of Asiana Flight 214 in the moments before it slammed into a sea wall at San Francisco International Airport is why the crew allowed the airspeed to fall so far below the targeted airspeed needed to bring the Boeing 777 in safely.        
  July 12, 2013 - Wired News
• San Francisco plane crash: Outline emerges of final moments
  With each new bit of information, the picture emerging is of pilots who were supposed to be closely monitoring the plane's airspeed, but who didn't realize until too late that the aircraft was dangerously low and slow.
  July 12, 2013 - The Oregonian

Quotes

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• Louis Gallois in AFP
  We do not know whether the Pitot tubes (the sensors that measure airspeed) played a role in the accident. No one knows,Gallois said.
• Jearl Walker in Pocono Record
  I calculate the airspeed during this explosive rush reaches or even exceeds the speed of sound, and thus a mild shock wave (or sonic boom) comes up from the throat,says Walker. "People with supersonic coughs or sneezes are rarely...