Topic Author
Posts: 468
Joined: Sat Jan 08, 2005 10:00 pm

How Is International Airspace Defined?

Mon May 23, 2005 6:14 pm

Sorry if this has been discussed before. Did a search, but couldn't find anything.

How exactly is International airspace defined? How and by whom are flights in this area monitored.

I was told it's 20 miles off the coastline. Is this correct?

Many thanks,
Posts: 449
Joined: Sun Apr 17, 2005 10:35 am

RE: How Is International Airspace Defined?

Mon May 23, 2005 6:31 pm

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 of the coast of the 48 contiguous States and Alaska; and designated international airspace beyond 12 nautical miles 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.

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