The frequency used for the first transmission of a `MAYDAY` call shall be:4
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Any frequency at pilot's discretion4
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The distress message shall contain as many as possible of the followingelements/details:4
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Which of the following frequencies is an international emergency frequency:4
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An aircraft in state of emergency shall squawk:4
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Under which of the following circumstances shall an aircraft4
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Distress is defined as:4
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What action should be taken by the aircraft station first receiving a distress message?4
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Urgency is defined as:4
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An urgency message shall be preceded by the radiotelephony urgencysignal:4
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