Midnight Helicopters?

So I'm curious to know if other Brightwalton residents, like me, have "noticed" the Helicopter that chooses most nights anytime between about 9pm to 2am to fly round in circles over our quaint little village. For a nocturnal teenager who's sleeping habits are more erratic that a fish in lemonade, I'm not that bothered by the inccessant droning of helicopter blades going round and round and round. wait a minute. yes I am. And I'm sure many other brightwalton villagers with more regular sleeping patterns are bothered by this also. Doe's anyone know who might be responisble for the aircraft, or who one might contact to make a complaint? I myself can't throw bricks that high out of my window...