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Thread: Inverted ILS
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Old 31st May 2009 | 01:02
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NSEU
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From: Australia
NSEU, I would say IMHO your fig. B) confuses the issue, because a) you've drawn it upside down,
As DFC has said, no I haven't drawn it upside down. It's the pilot's view. Only the horizon changes in this situation. ILS instruments don't know that you have changed orientation, so the pointer remains in the same position on the instrument.

(Edit) Think of ILS displays as colour and volume. Colour (traditionally blue&yellow) is aircraft position, right or left of the centreline. Volume is distance from the centreline. Neither has changed by inverting the aircraft, so the displays remain the same (as presented to the pilot).

Last edited by NSEU; 31st May 2009 at 01:27.
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