Recently, various banners have appeared around Swanwick, apparently distributed by those fine employees of NATS who are behind the "Acting Responsibly" initiative of Vision 2011. Two examples caught my eye:
The most efficient descent speed of most modern jets (even a B747!) is in the range 250-270kts.
A Boeing 737-800 descending at 310kts instead of its most efficient descent speed will use up to 100kgs more fuel.
Naturally, we are all aware of the aviation industry going through tough times at the moment - NATS management rams this message down our throats on an almost daily basis to justify any or all of their recent unpopular actions. On a day when one of our most important customers has reported record half-year losses, my questions to anyone who wishes to answer them are:
LTP