Some years ago, we had a lot of this going on down here in the Hudson River Valley. It was a group of ultralight pilots who would go up at night with lights on their planes, and they were good enough at formating--they must have practiced in the daytime--that the emergency phone lines would light up...

"Ok...i always follow the instructions to turn off electronics,cell phones etc. I have 2 questions.....how do all these various items affect the aircraft....especially as they all seem to have to be off for take-off and landing but then certain items can be turned on after the seat-belt light is tur...