Number | Name | Date | Kind |
---|---|---|---|
3255900 | Graham | Jun 1966 | |
3262111 | Graham | Jul 1966 | |
3852749 | Kohler | Dec 1974 | |
4306239 | Enein | Dec 1981 | |
4429312 | Chisholm | Jan 1984 |
Entry |
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"Aeronautical Communications" International Civil Aviation Organization, 4th Ed., vol. 1, Apr. 1985, pp. 160-2B-1. |