What is normally used for ATIS broadcasts ?4
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An aircraft station fails to establish radio contact with an aeronautical station on the designated frequency. What action is required by the pilot:4
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An aircraft in distress shall send the following signal by radiotelephony:4
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Which abbreviation is used for the term 'control zone'?4
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Which abbreviation is used for 'Co-ordinated universal time'?4
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A message concerning aircraft parts and material urgently required is:4
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When transmitting time, which time system shall be used?4
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You have been calling a station without getting an answer. How long time it is recommended to wait at least before making a second call?4
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Which phrase shall be used if you want to say: 'I should like to know...' or 'I wish to obtain...'?4
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What does the instruction 'Orbit right' mean ?4
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