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GPWS question

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Old 8th Dec 2012, 19:53
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GPWS question

Suppose you're established on the ILS for a certain runway in a Boeing 737NG .
Starting from 1000' radio, you go manual thrust and manual flight, runway already in sight, no weather problems, but IFR not cancelled.
It's a bumpy approach with changing winds and you happen to slightly fall below glide slope, but enough so that the GPWS "Glide Slope" warning comes on.
The situation is immediately rectified and the plane brought back on glide slope.

My question:
Does the "Glide Slope" warning mandate a go-around?
Does this warning have to be logged or reported by pilots?

What's the policy?

Thanks
AviatorDave is offline  
Old 9th Dec 2012, 03:49
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which leads to an intersting point

just when do you transition from the ILS GS to the real world.
and
when is the GS deviation warning locked out.?

glf
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Old 11th Dec 2012, 16:07
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It's GPWS mode 5. The trigger is usually 1.3 dots low.

GLF, it inhibits at 150' AGL.

"Additionally, both alert levels are desensitized below 150 feet AGL, to allow for normal beam variations nearer the ground, and reduce the possibility of nuisance alerts."

http://www51.honeywell.com/aero/comm...0-4241-000.pdf
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