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 Date: 2011-01-23 21:22:38Air traffic control Airport Aerodrome Obstacle Runway Takeoff Aeronautical Information Service Air navigation Aviation Transport Aerospace engineering |
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Date: 2011-01-23 21:22:38Air traffic control Airport Aerodrome Obstacle Runway Takeoff Aeronautical Information Service Air navigation Aviation Transport Aerospace engineering |
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AIRPORT STANDARDS DIRECTIVE 401 [ASD 401] CONTROL AND DENOTING OBSTACLES