Class A airspace

Definitions

• Airspace from 18,000 feet MSL up to and including FL 600, including the airspace overlying the waters within 12 NM of the coast of the 48 contiguous states and Alaska; and designated international airspace beyond 12 NM of the coast of the 48 contiguo
• Airspace from 18,000 feet MSL up to and including FL 600, including the airspace overlying the waters within 12 NM of the coast of the 48 contiguous states and Alaska; and designated international airspace beyond 12 NM of the coast of the 48 contiguous states and Alaska within areas of domestic radio navigational signal or ATC radar coverage, and within which domestic procedures are applied.
• Airspace from 18,000 feet MSL up to and including FL600, including the airspace overlying the waters within 12 NM of the coast of the 48 contiguous states and Alaska; and designated international airspace beyond 12 NM of the coast of the 48 contiguous states and Alaska within areas of domestic radio navigational signal or ATC radar coverage, and within which domestic procedures are applied.

References

• Instrument Flying Handbook, Federal Aviation Administration, 2014
• Pilot's Handbook of Aeronautical Knowledge, Federal Aviation Administration, 2023
• Powered Parachute Flying Handbook, Federal Aviation Administration, 2007
• Weight-Shift Control Aircraft Flying Handbook, Federal Aviation Administration, 2008