Because we now have three sets of livery on the go, we are frequently asked by, usually GMC, which colours are you?
1. Old dark blue & grey, red plimsoll line.
2. New 'Free Willy' wavy navy, red engines.
3. Alliance white with the 'beer mat stickers' down the side.
All very confusing, but the exchange with Tower is especially helpful for foreign crews when listening out for their conditional clearance before departure.
I can see no use whatsoever informing a radar controller hunkered down in his bunker in the bowels of West Drayton, a total waste of precious airtime.
In my opinion.......allegedly