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Forum: Tech Log

3rd Nov 2007, 01:47

Replies: 20

Max Crz Alt - B738

Views: 7,776

Posted By Jet Man

We fly 26k 800Ws and QRH performance says you...

We fly 26k 800Ws and QRH performance says you can't even reach optimum altitude at high ISA deviations (> +15) alot of the time! The machine seems to run out of puff very quickly. Besides, above...

Forum: Tech Log

2nd Nov 2007, 07:42

Replies: 20

Max Crz Alt - B738

Views: 7,776

Posted By Jet Man

MAX ALT does changes after take off - it lowers. ...

MAX ALT does changes after take off - it lowers.
Our FMCs default to 26.2 in CRZ CG on PERF INIT page - I modify this by adding 1.5 units to T/O MAC (we always have centre tank fuel on take-off). I...

Forum: Tech Log

29th Oct 2007, 19:59

Replies: 20

Max Crz Alt - B738

Views: 7,776

Posted By Jet Man

Max Crz Alt - B738

My understanding of the maximum cruise altitude on the cruise page is on the ground it shows maximum altitude at anticipated TOC weight and in the air maximum cruise altitude for actual weight....

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