Originally Posted by
jmmoric
I'm not sure about the SoP for all carriers, but one thing hinting us as ATC, is that some airlines turn on landing lights when being given an take off clearance.
This is standard procedure on Airbus. They are called landing lights but they are used for take off and landing and anytimes flying below 10 000 feet Above Aerodrome Level.
EDIT: Oups, ACMS, you beat me on that one. xD