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Old 08-20-2004, 04:06 PM   #1 (permalink)
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Kai Tak - Checkerboard Approach ?

We all know the famous approach @ Kai Tak, and you probably all noticed the checkerboard hill. But I don't get why it's used for ? And what is the IGS (INSTRUMENT GUIDANCE SYSTEM) ? Is it like ILS ?

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The famous Checkboard for the IGS approach can be seen
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Old 08-20-2004, 04:23 PM   #2 (permalink)
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From what I understand the "checkerboard" was just a large visual cue for the pilots. Basically it helped them find the airport and was a point to aim for establish them on a course for the base leg.

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Old 08-20-2004, 04:41 PM   #3 (permalink)
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well, the IGS is basically an ILS, except instead of the'beam' coming from the runway, it comes from the checkerboard. u with me so far?
so pilots follow this in all the way to about 800 ft, then when they see the checkerboard, they make hard right turn while still descending to set themselves up. very difficult to do!
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Old 08-20-2004, 05:02 PM   #4 (permalink)
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Quote:
Originally posted by 737NG
well, the IGS is basically an ILS, except instead of the'beam' coming from the runway, it comes from the checkerboard. u with me so far?
so pilots follow this in all the way to about 800 ft, then when they see the checkerboard, they make hard right turn while still descending to set themselves up. very difficult to do!
I think if ILS doesn't aligned with the runway more then 5 degrees is no longer ILS approach
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Old 08-20-2004, 05:25 PM   #5 (permalink)
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As an aside, I remember reading that although Kai Tak is now closed to commercial aviation, there's still a flying school operating out of there. There was an interesting story about it on Air & Space magazine last year...
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Old 08-21-2004, 03:38 AM   #6 (permalink)
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On any approach, if its outside of 30 degrees of runway heading, its a circling approach. At Kai Tak, I think they had an LDA (localizer type directional aide)
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Old 08-21-2004, 04:05 AM   #7 (permalink)
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Interesting chart, and flight sim simulation...
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Last edited by Srilankan-A340; 08-21-2004 at 04:19 AM.
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Old 08-21-2004, 05:11 AM   #8 (permalink)
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RB, i know it is not an ILS, I said it is similar to one. Lol. As for a flying school been operated there, they must operate it out of a car park cos that is what is there now. No runways.
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