题目内容
A clearance always _______ a clearance limit, which is the farthest the aircraft can fly without a new clearance.
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Separation may also be referred to as ________.
The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity.
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.
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