"Aeronautics United States Safety measures." . . "Landing aids (Aeronautics)" . . "Aeronautics Safety measures." . . "United States." . . . . "Aviation safety volume I, an inquiry into certain aspects of approach and landing weather phenomena and cockpit-tower relationship problems : hearings before the Subcommittee on Investigations and Review of the Committee on Public Works and Transportation, House of Representatives, Ninety-fourth Congress, first session"@en . . . "Aviation safety : volume I, an inquiry into certain aspects of approach and landing weather phenomena and cockpit-tower relationship problems : hearings before the Subcommittee on Investigations and Review of the Committee on Public Works and Transportation, House of Representatives, Ninety-fourth Congress, first session"@en . . . . "Aviation safety : volume I, An inquiry into certain aspects of approach and landing weather phenomena and cockpit-tower relationship problems : hearings before the Subcommittee on Investigations and Review of the Committee on Public Works and Transportation, House of Representatives, Ninety-fourth Congress, first session" . . . . . . . . . . . . . . . . . "Air traffic control." . . "Air traffic control United States." . . "United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Review." . .