Item:Q13699: Difference between revisions
Created a new Item: air traffic control, service provided for the purpose of preventing collisions between aircraft, and on the manoeuvring area between aircraft and obstructions; and expediting and maintaining an orderly flow of air traffic |
Created claim: part of (P7): air traffic service (Q13707) |
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| Property / subclass of | |||
| Property / subclass of: safety of air navigation / rank | |||
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| Property / subclass of | |||
| Property / subclass of: control / rank | |||
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| Property / part of | |||
| Property / part of: air traffic service / rank | |||
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