AAL

Above Aerodome Level

In the context of aviation and aerospace, "Above Aerodrome Level" (AAL) is a term used to describe an altitude or height measurement that is referenced to the elevation of a specific aerodrome (airport) or airfield.

Alaska Region

In the context of aviation and aerospace, the "Alaska Region" refers to a specific region of airspace and geographical area defined by the Federal Aviation Administration (FAA) and the International Civil Aviation Organization (ICAO).