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Missed approach (?) when glideslope fails



 
 
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  #11  
Old September 9th 05, 12:57 AM
Steven P. McNicoll
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"Hilton" wrote in message
ink.net...

The problem is that you have no missed approach procedure to follow.


Show me an ILS without a missed approach procedure.



Let's
say, for example, that the missed is a 180 degree turn back to the LOM.
If
you start your turn early (i.e. fly the missed right now), you may hit a
mountain.

i.e. you must have a way to determine (at least approximately) where the
MAP
is; for examples are GS, DME, VOR, timing...


Easily done. A standard 3 degree GS descends 318' per nautical mile,
altitude above DH is directly proportional to distance from the MAP. To
make the arithmetic simpler 300' per mile is a close enough approximation.


 




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