题目内容
The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity.
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The weather is considered to be IMC when it does not ____ the minimum requirements for VMC.
To operate safely in IMC, a pilot controls the aircraft relying on ______, and ATC provides separation.
Controllers ________ a set of separation standards that define the minimum distance allowed between aircraft.
During flight under IFR, there are no requirements for _______, and as such flying through clouds is permitted.
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