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Search: Posts Made By: underfire
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Forum: Tech Log
1st Aug 2016, 21:10
Replies: 48
Views: 39,615
Posted By underfire

response to buzz box if you can read and...

response to buzz box if you can read and comprehend.

Since the OP's question was about cold weather correction standards, the actual calculations should be considered.
Forum: Tech Log
31st Jul 2016, 22:48
Replies: 48
Views: 39,615
Posted By underfire

buzz...wanted to show a basic for the DA and OCS....

buzz...wanted to show a basic for the DA and OCS.

The obstacle evaluation surfaces for an aerodrome are fixed. If the procedure is outside of this, you must provide evaluations. Procedure design...
Forum: Tech Log
31st Jul 2016, 01:32
Replies: 48
Views: 39,615
Posted By underfire

What I am saying is that the minimum obstacle...

What I am saying is that the minimum obstacle clearance already takes into account several factors, one of which is the temperature correction.

Another factor, with the design criteria, there are...
Forum: Tech Log
30th Jul 2016, 05:19
Replies: 48
Views: 39,615
Posted By underfire

The DA taken into account the cold temp limit GPA...

The DA taken into account the cold temp limit GPA with the associated obstacle clearance.


The operative word here is minimum. In reality, it is a 200' ROC with a 50 foot momentary descent, that...
Forum: Tech Log
30th Jul 2016, 03:33
Replies: 48
Views: 39,615
Posted By underfire

I think that needs more detail. If you are within...

I think that needs more detail. If you are within the NA abv/bel, then no, you do not need to add or subtract anything. This is calculated by the procedure designer to work within the min GPA to...
Forum: Tech Log
29th Jul 2016, 06:46
Replies: 48
Views: 39,615
Posted By underfire

You dont need to correct anything if you are...

You dont need to correct anything if you are within the temp limits, that is why the chart states uncompensated baro VNAV and there is NA below and NA above. (where ICAO goes to 2.5, FAA goes to...
Forum: Tech Log
27th Jul 2016, 09:38
Replies: 48
Views: 39,615
Posted By underfire

Procedure design calculates the low and high...

Procedure design calculates the low and high temps, based on the published FPA and ISA. NA below is 0.917 FPA, and NA above 1.13 FPA. (so, in reality, you need to correct to .917GPA to have obstacle...
Forum: Tech Log
26th Jul 2016, 06:28
Replies: 48
Views: 39,615
Posted By underfire

I am sure there are quick rules of thumb, but...

I am sure there are quick rules of thumb, but here is Eurocontrol take:

http://i63.tinypic.com/20poe95.jpg
Showing results 1 to 8 of 8


 
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