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Old January 23rd 08, 08:23 PM posted to rec.aviation.piloting
Bertie the Bunyip[_22_]
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Posts: 273
Default The 777 crash - another theory

"Oskar Wagner" wrote in
:

Reading here for quite some while I'm kind of amused about how far the
theories have gone. Furthermore I also noticed a remarkable lack of
system knowledge leading to funny assumptions and - in your case - to
funny "nope" and "no, never" statements which are not true in every
case. For large transports it is a common abnormal handling to switch
ALL fuel pumps on and OPEN the crossfeed in case of low fuel quantity



Yep.


(e.g. close to or at final reserve). Furthermore usually a (+) pitch
limit is present. I'm not really familiar with the twin Boeing systems
but I'm sure they don't vary too much from MD and Airbus. So a "never"
regarding both engines fed from the same tank ist not consistent as
with open crossfeed ANY engine can be fed from ANY tank that contains
fuel.


OK, fair enough,

This is just to clarify some system behaviour and not issueing a new
rumour. As a retired pilot with some 5 digit flight hours in large
transports I will never add any gossip... :-)) but just wait for te
official outcome. Everything else is useless.


I agree.

Bertie