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that is how do they fly without visual assistance and without going off course even in night with very low visibility and reach
at the exact destination airport what equipment&technology they use.is it posssible to reach the destination without these equipment

2007-12-02 04:03:04 · 6 answers · asked by dummy 1 in Science & Mathematics Astronomy & Space

6 answers

We have a set of instruments that gives us heading, altitude, airspeed, and attitude. With these basic instruments, flights in low visibility environments are easy.

Some of the other instruments that are used are NDB (Non-directional Beacons), VORs, and GPS for in flight navigation. Because GPS has a larger error rate than other ground based radar systems, sometimes it is mostly used as a backup to the NDBs and VOR systems.

When landing in low visibility, there is a special radar system on the ground that sends out a very narrow radar beam that the airplane or helicopter must follow down to the approach threshold of the runway.The instruments will tell you if you are too high, low, left, or right of the approach path.

It is possible to reach your destination without most of this equipment but it would be unsafe. You need to have some kind of checkpoints to safely reach your destination. The longer you go the more you could be wrong and off course.

2007-12-02 04:55:18 · answer #1 · answered by Apachejohn 3 · 0 0

They have equipment which can give them their location, direction, speed, altitude, and the exact location of their destination. The information about their destination comes from radar sent from the airport. Their on board computer can plot their exact course on a video display.

2007-12-02 04:37:24 · answer #2 · answered by Brant 7 · 0 0

Radio aids to navigation. Not all aircraft are equipped with RNAV equipment.

Instrument flying.

Instrument Landing System.

Celestial navigation.

2007-12-02 06:49:17 · answer #3 · answered by Mark 6 · 0 0

Scarecat is right they navigate by reference to satellites that tells them their exact position in relation to any point on earth.
They can program their on board computers to take them to any predetermined destination on earth
GPS stands for global positioning system.

2007-12-02 06:58:37 · answer #4 · answered by Billy Butthead 7 · 0 1

I suppose these days they are all using GPS navigation. Before GPS, there was inertial navigation, which used gyroscopes as a reference and kept track of speed, direction, and duration of travel to navigate. Before that, it was sextants and compasses and such.

2007-12-02 17:06:43 · answer #5 · answered by Anonymous · 0 1

GPS

2007-12-02 04:10:03 · answer #6 · answered by scarekat 3 · 0 0

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