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| federal regulations of the use of the air space (ABelonogov); federal airspace regulations (Tom Washington, a pilot, was aboard for the test flights to comply with federal airspace regulations, but the aircraft was operated from the flight ... Alexander Demidov) | |||
| федеральные правила использования воздушного пространства: 2 фрази в 1 тематиці |
| Авіація | 2 |