3−2−2. Class A Airspace a. Definition. Generally, that airspace from 18,000 feet MSL up to and including FL 600, including the airspace overlying the waters within 12 nautical miles off the coast of the 48 contiguous States and Alaska; and designated international airspace beyond 12 nautical miles off the coast of the 48 contiguous States and Alaska within areas of domestic … [Read more...] about Class A Airspace
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What is Controlled Airspace? (AIM 3-2-1)
What is controlled airspace? After all, a lot of "controlled" airspace is actually not under direct control at all, right? Well let's start with the definition right out of the Aeronautical Information Manual (AIM): 3−2−1. General a. Controlled Airspace. A generic term that covers the different classification of airspace (Class A, Class B, Class C, Class D, and Class E … [Read more...] about What is Controlled Airspace? (AIM 3-2-1)