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Old 21st Jun 2005, 14:13
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FlyinWithoutWings
 
Join Date: Nov 2001
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Rapid Depressurization

Just wondering- is it possible to have a rapid depressurization in say a B737 WITHOUT having structural damage?

Also, in case of a rapid depressurization requiring an emergency descent from say 41000ft, what average descent rates would you get at (Mmo/Vmo)?

We have 12 minutes of passenger O2 in the back (the B737) so we should need just about 2500 fpm.... to get to 10,000ft from 41,000ft. We have a procedure requiring an initial descent to 22000ft in 4mnts 30 secs (from the loss of pressurization), level off and maintain 22000ft (due to enroute terrain) for a further 6 mnts, then descending to 10000ft in the remaing 1mnt 30 secs... Thats 8000 fpm!!!!

Or am I just calculating this all wrong?



Thanks FWW
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