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Hey! Hi! Are you with the NASA Road Rally?

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Yeah, come on up.

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Alright.

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Hi, I'm Dick Houchen, and this is Charles Howell.

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Hi!

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Hi, nice to meet you.

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Hello.

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Hello.

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You did a good job in navigating here.

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It was as easy as a video game.

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Right. Well, listen, here's our logbook. Now, according to the Road Rally rules, we're supposed

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to learn some information from you on GPS navigation. So, our question is, NASA, how

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is NASA helping to improve navigation tools for aircraft?

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Well, we have been investigating the use of GPS to help an aircraft navigate on the airport

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surface using GPS navigation, particularly in bad weather and foggy conditions. Here

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is an example of how this happens. As a NASA 757 approaches a runway, computer-generated

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graphics outline the correct runway and its precise location on a head-up display mounted

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between the pilot and the windscreen. Upon contact to the ground, a head-down moving

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map display shows the pilot his or her location on the runway and the taxiway system, as well

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as the location of all other aircraft. The aircraft location is provided by the GPS

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satellite navigation system. Digital data link communications are used between the pilot

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and air traffic controller, greatly eliminating the possibility of miscommunication. Using

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this system, taxi speeds can be increased by as much as 25%. Such a system will play

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a role in helping reach the goal of tripling our nation's aviation system capacity while

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maintaining safety in all weather conditions. Dick and Charles, thank you so much for your

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time today. This has been so interesting. This whole road rally has been fun and informative.

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Thank you so much for sharing with us today. You're very welcome. We'll see you. Bye-bye.

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You know, Shelley, it's really amazing how GPS keeps pilots on track in the sky, sort

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of like managing flight traffic in a way not unlike the traffic signal Garrett A. Morgan

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invented for the ground. Yeah, Morgan had a great respect for education, which he used

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to help others.