I am going to be flying my arducopter mostly at a friends land in the country. Sadly there are a few old, probablly debunked airstrips around his land. These airports are registered and have a rating for no more than a single engine plane and neither even have an actual runway.
I checked google earth and several other sources for sat photos of the airports and many do not even look operational any longer. No hangars, no visible aircraft and not even the typical marking of small airstrips.
This being said, does anyone know how far away from these small strips I need to keep my arducopter?
Would it be worth contacting the owners of the strips to find it they are still operational?
Any other ideas or things I should think about before flying in the area?