| 11. | At issue was an international conference of air traffic controllers in Jerusalem.
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| 12. | Public transport workers and air traffic controllers were to join in Tuesday.
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| 13. | Current FAA controllers are represented by the National Air Traffic Controllers Association.
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| 14. | Air traffic controllers had warned the pilots that it was off course.
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| 15. | Both planes were flying without the guidance of air traffic controllers.
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| 16. | The airport has no air traffic controller or other aviation services.
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| 17. | Air traffic controller : GIA 152 maintain 3000 feet for awhile.
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| 18. | The planes were in airspace handled by Swiss air traffic controllers.
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| 19. | The last air traffic controllers strike in Germany occurred in 1973.
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| 20. | Investigators also will listen to audio tapes of air traffic controllers.
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