DEPARTURE control, a function of an approach control facility providing air traffic control service for departing IFR and, under certain conditions, VFR aircraft.

离场控制，给用仪表飞行规则离场，和在某种情况下用目视飞行规则离场的飞机提供空中交通管制服务的进近管制设施的一种功能。

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CONTROLLED airspace, an airspace of defined dimensions within which air traffic control service is provided to IFR flights and to VFR flights in accordance with the airspace classification.

受管制空域，一个范围明确的空域。在该空域内，仪表飞行规则飞行和目视飞行规则飞行有空中交通管制服务。

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Article 82 an air traffic control unit shall provide air traffic services to civil aircraft in flight, including air traffic control service, flight information service and alerting service.

第八十二条空中交通管制单位应当为飞行中的民用航空器提供空中交通服务，包括空中交通管制服务、飞行情报服务和告警服务。

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"To us and our people, it's extremely significant, " said Shane Cordes, CEO of Midwest Air Traffic Control Service, which provides controllers to towers in about 23 states in the East, Northeast, Great Lakes and central regions of the United States.

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Like many projects in air-travel modernization, there's a chicken-and-egg question: Should airlines spend money on equipment before air-traffic control agencies prove they can work with it, or should air-traffic control service providers spend first and then wait for airlines to catch up?

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