| 1. | Landing aids would be useful, but radar work was the more urgent need.
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| 2. | A large parking apron was built with additional taxiways, landing aids and several hangars.
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| 3. | This raised the need for better landing aids, and for night navigation aids in general.
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| 4. | It also provides a navigation and landing aid.
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| 5. | He designed and programmed a movable vehicle satellite antenna and implemented software for automated helicopter-landing aids.
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| 6. | The mirror landing aid was a gyroscopically-controlled concave mirror on the port side of the flight deck.
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| 7. | He did so without any landing aids.
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| 8. | Later systems kept the same basic function of the mirror landing aid, but upgraded components and functionality.
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| 9. | No landing aids are available and the only air traffic service is an Aerodrome Flight Information Service.
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| 10. | The tower was equipped with radio navigation and landing aids including precision approach radar, non-directional beacon and omni-directional range.
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