PPRuNe Forums - View Single Post - A320 Refuelling On Batteries Only

18th Oct 2009, 13:05

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Microburst2002

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I am no expert, but if you check FCOM 1.28.30 p1 you will see that
the transfer valves are not in any hot bus. All the other necessary elements are, but not the xfer valves.
I guess they are fail safe to open when not electrically supplied, so all the fuel entering to the outer tanks goes to the inner ones during a refueling on bat only.

What is your theory?

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