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Old 20th May 2019, 04:56
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The Green Goblin
 
Join Date: Nov 2008
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A good rule of thumb is your altitude in fpm

So 10,000fpm at 10,000ft

5000fpm at 5000.

1000fmp at 1000 etc.

Some airlines have 5000fpm to 5000 etc, but with speed brake and a high IAS this is easily breached.

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