| 21. | For Swiss airspace, this duty extends to both civil and military air navigation services.
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| 22. | In 1934 the college expanded to accommodate day cadets and courses for civil air navigation.
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| 23. | No . 1 Air Navigation School was located here between March 1957 & December 1961.
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| 24. | Haynes went to Rockwell Field, California, for special training in air navigation and instrument flying.
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| 25. | Several road projects and plans to improve maritime and air navigation facilities are also included.
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| 26. | AAI is a full member of the Civil Air Navigation Services Organisation ( CANSO ).
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| 27. | Category IIIb automatic landing capability for bad-weather operations and Future Air Navigation Systems are available.
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| 28. | He said safety problems have been identified and remedied, including an upgrade of air navigation facilities.
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| 29. | The Airport and Air Navigation Authority said flight departures were delayed by up to 30 minutes
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| 30. | All mention of the Civil Air Ensign was therefore omitted from the Air Navigation Order 1960.
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