English subtitles for clip: File:Nieuwe radarinstallatie Weeknummer 51-45 - Open Beelden - 22767.ogv

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As is known, Schiphol is one of the busiest airports in Europe.

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Here is a buzzing activity day and night.

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The intensive air traffic is being led from the traffic control tower.

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Departing aeroplanes get their take-off orders from here,

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arriving machines recieve their landing instructions from this tower.

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But soon not from here alone any more. As it is, a new building has been erected at Schiphol yet again,

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a completely rotatable building of a somewhat unusual shape, in which a radar installation

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has been housed, that belongs to the most modern to be constructed in recent years.

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In the building radar antennas are placed both vertically and horizontally.

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Important part thereof are the rotatable mirrors,

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which reflect the transmitted waves and send them into the aerospace.

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If the waves encounter an aeroplane, they are thereby reflected back to the radar station,

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where one can read the exact position of the aeroplane off the radar screen.

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One can use this principle to direct aeroplanes to the airport with a great amount of safety.

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Fot that, the pilot calls in the assistance of the radar station.

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(In english, using the RAF spelling alphabet:)
Schiphol talk-down from ES, passing over A.

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Beechcraft PH-UES from Schiphol talk-down, roger.

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Leaving avoidable 1000 feet. Do not acknowledge further instructions.

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(In dutch:)
The traffic controller continuously gives instructions from the radar station

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to the pilot, based on the situation on the radar screen and using radio-telephony.

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(In english:)
Begin your descend turn now, at 500 feet per minute.

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(In dutch:)
On the upper part of the radar screen the altitude of the machine is shown,

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and on the lower part the approach heading. The plane is, as one says, being talked in by the traffic controller.

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(In english:)
2 km from touchdown... Your heading is OK.

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Heading 236.

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1 km from touchdown.

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On the centreline, on the glide path.

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You're over the beginning of the runway now, talk-down completed. Out.

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(In dutch:)
Using the directions from the radar station this plane has reached the runway without any hiccups.

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In the future all aeroplanes with destination Schiphol will be able to be talked in

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by the radar station in fog or other bad aviation weather.

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That will considerably increase the safety and the frequency of the air traffic at this airport.