Amusing stood on the ramp in a certain place the other day that is known for power cuts around mid-day. About 15 NG's parked up and the chorus of nee-nah horns is a tell tale the power is out.....
Usually takes a minute before the first sound of an APU winding up closely followed by the rest. just in time for the power to come back on. However the cost of starting is drummed into us so now the airfield is full of APU's running for 30-40 minutes.
The joys of.....