Airspace

AOPA Air Safety Foundation Interactive Safety Courses
http://www.aopa.org/asf/hotspot/airspace_check2.html
Airspace

Like it or not, there’s no avoiding airspace. Whether you’re planning a quick hop to a nearby strip or an epic cross-country voyage, the regulations and common sense both require you to be well versed on any type of airspace that lies in your path.

If you could use an airspace refresher, check out these tips on reviewing the basics (and not-so-basics) and get plenty of practical tips for your next flight.