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Aviation safety the Hudson River midair collision and the safety of air operations in congested spac

United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Operations, Safety, and Security.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010. 2010

The Hudson River airspace and management of uncontrolled airspace corridors : hearing before the Sub

United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009. 2009