| 21. | The airline was formed on the basis of a government airmail contract.
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| 22. | He was responsible for implementing airmail from 1918 to 1927.
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| 23. | Sent airmail, the 168-page booklet costs $ 13.55.
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| 24. | He served as station manager here during his career as an airmail pilot.
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| 25. | Thus, Clark carried the first letters by airmail in the Hawaiian Islands.
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| 26. | Fabien is an airmail pilot of the Patagonia Mail.
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| 27. | Eastern Air Transport began passenger and airmail service to Owens Field in 1932.
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| 28. | He made the first airmail flight in Egypt flying from Cairo to Khartoum.
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| 29. | The first airmail flight for the airline was on July 1, 1927.
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| 30. | These were the first airmail stamps in the Philippines.
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