Originally Posted by
BoilerUP
It also helps people waiting to take the runway see you when you are in position; you'd be amazed how people can be bone-headed and not see blinking lights.
You're right...the logo light, landing lights, taxi light, beacon, and strobes aren't enough to warn the guy who followed you to the runway that you're getting ready to takeoff....you should probably shine a light directly into the cockpit just to be sure.