1.   The plane cleared Chinese airspace.

2.   After encountering trouble, the pilot of the Saratoga reported her instruments were failing and officials began clearing airspace at Peachtree-DeKalb Airport, authorities said.

3.   The Azerbaijanis would be more than happy to clear their airspace in return for a US military presence.

4.   We waited until the plane took off and had cleared Iranian airspace before we could give the thumbs up and order Bloody Marys.