Article 5the principal of each aviation unit shall be responsible for his unit's abidance by these Rules.

第五条航空单位的负责人对本单位遵守本规则负责。

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Industry certification from the Canadian Aviation Maintenance Council for some occupations in this unit group is available, but voluntary.

本单元组的来自加拿大的航空维修协会的某些职业的行业认证是可用的，但是自愿的。

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The officer worked at the police aviation security unit of the airport at the Namibian capital Windhoek.

这位官员在纳米比亚首都Windhoek机场航空安全警察部门工作。

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Mr Moylan will instead take charge of a new aviation policy unit to try to attract more investment in the city.

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Dr Ray Johnston, head of the UK's Civil Aviation Authority's Aviation Health Unit (AHU), said while there had been an increase in recent years in the number of on-board medical emergencies "aviation still has an excellent safety record".

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He was assigned to a naval undersea warfare unit and various aviation training units, according to military records.

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