[Ydiss]

It just passed from one tip of a wing to the other and then earths to ground.

Similarly when in a car you are surrounded by a "Newtons cage" (I think Newton was the fellow to discover it, I may be wrong). Because the metal of the car is a better conductor of electricity than humans are the electricity will pass right around you and into the ground.

Saw some scientist bloke on TV a while ago test this theory by standing in a cage and having a high voltage electrode fire thousands of volts at him. It hit the cage and, despite him being only inches from it, he was unscathed.