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Calculate Distance to TOC

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Calculate Distance to TOC

Old 1st Jun 2011, 21:37
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Join Date: Oct 2006
Location: Essex
Age: 41
Posts: 15
Calculate Distance to TOC

Hi

This is probaly a really silly question, but I will ask anyway, flying on an A319, ATC sometimes ask you how many miles will you reach FLxxxx during Climb.

How can you work it out quickly doing it mentally without reference to the FMGS,

Thanks in advance.
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Old 2nd Jun 2011, 02:51
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Join Date: May 2000
Location: Seattle
Posts: 3,129
Look at current ROC. Estimate ROC at level-off altitude. Use the average. Estimate your miles/minute by the Mach*10 method. Do the math.

Avg ROC 1000 fpm. 10,000' to go => 10 minutes. Mach .75 ~ 7.5 mi/min. Distance ~ 75 mi.
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Old 2nd Jun 2011, 03:44
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Join Date: Nov 1999
Location: Oz
Posts: 297
It really isn't rocket surgery or brain science.

Sorry if that is a bit unkind, but can you really not work it out without someone spelling it out for you?

Intruder is on the money and possibly more benevolent than I.
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Old 2nd Jun 2011, 12:39
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Join Date: Oct 2006
Location: Essex
Age: 41
Posts: 15
Intruder, many thanks much appreciated.



esreverlluf...... it not rocket science to have some basic manners, it must probaly be the type of background you were dragged up from.
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Old 3rd Jun 2011, 20:08
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Join Date: Dec 2010
Location: krypton
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another quick question to the professionals from a lowtimer :

Radioaltimeter turns analog to circular at ____ ?:
1. below 1000feet
2.at or below 1000 feet
3.at DH
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