NASA Spinoff

Monitoring Wake Vortices for More Efficient Airports

Wake vortices are generated by all aircraft during flight. The larger the aircraft, the stronger the wake, so the Federal Aviation Administration (FAA) separates aircraft to ensure wake turbulence has no effect on approaching aircraft. Currently, though, the time between planes is often larger than it needs to be for

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Popping a Hole in High-Speed Pursuits

NASA's Plum Brook Station, a 6,400-acre, remote test installation site for Glenn Research Center, houses unique, world-class test facilities, including the world's largest space environment simulation chamber and the world's only laboratory capable of full-scale rocket engine firings and launch vehicle system level tests at high-altitude conditions. Plum Brook Station

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3-D Highway in the Sky

If it were 50 years ago, NASA's contribution to rock and roll could have been more than just the all-astronaut rock band, Max Q, composed of six NASA astronauts, all of whom have flown aboard the Space Shuttle. If it were 50 years ago, a new NASA spinoff technology, Synthetic

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Hydrogen Sensors Boost Hybrids; Today's Models Losing Gas?

Advanced chemical sensors are used in aeronautic and space applications to provide safety monitoring, emission monitoring, and fire detection. In order to fully do their jobs, these sensors must be able to operate in a range of environments. NASA has developed sensor technologies addressing these needs with the intent of

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NASA Helps Design the "Cockpit of the Future"

Langley Research Center conducts research in support of all of the aeronautics project at NASA. It continues to forge new frontiers in aviation research, as it has since 1917, when it was established as the Nation's first civilian aeronautics laboratory. Langley's mission and contributions to aerospace, atmospheric sciences, and technology

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Advanced Air Data Systems for Commercial Aircraft

It is possible to get a crude estimate of wind speed and direction while driving a car at night in the rain, with the motion of the raindrop reflections in the headlights providing clues about the wind. The clues are difficult to interpret, though, because of the relative motions of

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Steering Aircraft Clear of Choppy Air

On December 28, 1997, a United Airlines plane flying from Japan to Hawaii experienced severe turbulence while over the West Pacific Ocean. Over 100 individuals on this flight of 374 passengers and 19 flight crew members were injured during the encounter, one fatally. Investigative reports issued following the incident indicated

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Damage-Tolerant Fan Casings for Jet Engines

All turbofan engines work on the same principle. A large fan at the front of the engine draws air in. A portion of the air enters the compressor, but a greater portion passes on the outside of the engine—this is called bypass air. The air that enters the compressor then

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InFlight Weather Forecasts at Your Fingertips

A new information system is delivering real-time weather reports to pilots where they need it the most—inside their aircraft cockpits. Codeveloped by NASA and ViGYAN, Inc., the WSI InFlight™ Cockpit Weather System provides a continuous, satellite-based broadcast of weather information to a portable or panel-mounted display inside the cockpit. With

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Putting Safety First in the Sky

Throughout aviation history, a condition known as hypoxia has posed a risk to aircraft pilots, crew members, and passengers flying at high altitudes. Hypoxia occurs when the human body is exposed to high altitudes without protection. Defined as an insufficient supply of oxygen to the body’s tissues, hypoxia affects the

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