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NASA Testing A 'Clear View' For Pilots

Date:
October 11, 2005
Source:
National Aeronautics And Space Administration
Summary:
Working to make flying safer, more than a dozen NASA, airline, industry and government pilots are testing technology to "synthetically" give pilots a clear view of their surroundings. Technicians equipped a Boeing 757 jet with sophisticated cockpit displays and radar equipment that give pilots clear electronic pictures of what's outside, regardless of weather or time of day.

Screen shot from an experimental synthetic vision system for aircraft.
Credit: Photo courtesy of Aviation Safety and Security Program, NASA's Langley Research Center

Working to make flying safer, more than a dozen NASA, airline, industry and government pilots are testing technology to "synthetically" give pilots a clear view of their surroundings.

Technicians equipped a Boeing 757 jet with sophisticated cockpit displays and radar equipment that give pilots clear electronic pictures of what's outside, regardless of weather or time of day. The jet is based at NASA's Langley Research Center, Hampton, Va. The Airborne Research Integrated Experiments System is flying over NASA's Wallops Flight Facility, Wallops Island, Va., to test the Synthetic Vision and Enhanced Vision Systems.

Synthetic Vision combines Global Positioning System satellite signals with an on board photo-realistic database to paint a picture of terrain for the crew. Also on board the jet is an enhanced weather radar capability that can help pilots spot traffic and obstacles that aren't part of the Synthetic Vision terrain computerized atlas. NASA researchers developed the system. NASA is testing this version of "enhanced vision" to determine if it can effectively fill in the gaps and help pilots see hazards, such as traffic on the runway or even a cellular tower recently added to the landscape.

"We've added new software to the X-band weather radar that's already on many airliners to produce a more detailed picture of what the radar would normally see," said Steve Harrah, Synthetic Vision sensors lead. "This helps verify the accuracy of the Synthetic Vision terrain display and gives the pilot a more complete picture of what's on the ground."

Included in the flight tests are Synthetic Vision and Enhanced Vision cockpit displays developed by BAE Systems, Los Angeles, and Nav3D Corporation, San Carlos, Calif. These displays use Enhanced Vision technology presented on a head-up display directly in front of the pilot's eyes.

It supplements the on-board computerized terrain atlas provided on the head-down display. BAE Systems is assessing the effectiveness of fusing Forward Looking Infrared images with active millimeter wave radar pictures for enhanced vision. Millimeter wave radar produces a more detailed image than X-band radar, but the system doesn't have as much range.

During the tests pilots from the airlines, the Federal Aviation Administration and aircraft manufacturers will fly the 757 on approach to Wallops. On most research scenarios the front windows of the evaluation pilot will be blocked. The evaluation pilot will have to rely on the synthetic vision and enhanced vision displays.

Traffic or obstacles may be on the runway, unbeknownst to the test pilot. If the displays work, the pilot will be able to see the traffic and avoid it. Otherwise, the safety pilot, who is also in the cockpit and always has an unobstructed view, will take over.

Other industry partners participating in the research include The Boeing Company, Hampton, Va.; Rockwell Collins, Cedar Rapids, Iowa; and RTI, Research Triangle Park, N.C.

Synthetic Vision Systems research is funded by the NASA Aeronautics Research Mission Directorate's Aviation Safety and Security Program. The program consists of a partnership that includes NASA, the FAA, aircraft manufacturers, airlines and the Department of Homeland Security. Its goal is to reduce the fatal aircraft accident rate, protect air travelers and the public from security threats.

Researchers at five NASA centers are working to develop advanced, affordable technologies to make flying safer and more secure at: Langley; Ames Research Center, Moffett Field, Calif.; Dryden Flight Research Center, Edwards, Calif.; Glenn Research Center, Cleveland; and the Jet Propulsion Laboratory, Pasadena, Calif.

For information about NASA's Aviation Safety and Security Program on the Web, visit:

http://avsp.larc.nasa.gov For information about NASA's Aeronautics Research Mission Directorate, visit:

http://www.aeronautics.nasa.gov/


Story Source:

The above story is based on materials provided by National Aeronautics And Space Administration. Note: Materials may be edited for content and length.


Cite This Page:

National Aeronautics And Space Administration. "NASA Testing A 'Clear View' For Pilots." ScienceDaily. ScienceDaily, 11 October 2005. <www.sciencedaily.com/releases/2005/10/051010102033.htm>.
National Aeronautics And Space Administration. (2005, October 11). NASA Testing A 'Clear View' For Pilots. ScienceDaily. Retrieved April 25, 2014 from www.sciencedaily.com/releases/2005/10/051010102033.htm
National Aeronautics And Space Administration. "NASA Testing A 'Clear View' For Pilots." ScienceDaily. www.sciencedaily.com/releases/2005/10/051010102033.htm (accessed April 25, 2014).

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