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Old 9th October 2010 | 14:32
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Coffin Corner
 
Joined: Oct 2007
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From: Scotland
The point at which you "decide" will be 100ft above the threshold, but it may not be 100ft above the local terrain, so the RAD ALT readout of 95ft means the "local terrain" at the point which is = to 100ft above threshold is 5ft higher.

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