Hector
I was P2 747 classic 90-96.
Blinds were pulled down then on the extended t/r in CCU and DAC.
OK the APU was still running but the APU/packs needed all the help they could get.
Just the same on 737 300/400 ex LGW. APU/packs that needed help.
Its all part of a " total crew" operating an aircraft.
Do you not think of cabin crew as part of the total crew?
As has been said it is being done now as a fuel saver. Flight Deck, both BA and other airlines have been changing their operating techniques for years to save fuel. Is closing the blinds so much to ask?
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