The Urgency Signal（）indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft，or of some person on board or within sight.
A . SOS
B . XXX
C . TTT
D . PAN
时间：2022-09-19 08:49:48
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The abandon ship signal sounded by the vessels whistle is （）.
A . 6 short blasts and 1 long blast
B . long blast mare than 6 short blasts
C . more than 6 short blasts and 1 long blast
D . 1 long blast of at least 10 second
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The urgency signal concerning the illness of persons on board ship is（）.
A . Mayday
B . Pan
C . Securite
D . Attentio
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While reading the muster list, you see that "three short blasts on the ships whistle and the same signal on the general alarm bells" is the signal for （）.
A . abandon ship
B . dismissal from drills
C . fire and emergency
D . man overboard
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Which statement is TRUE concerning the danger signal?（）.
A . When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal
B . Only the stand-on vessel can sound the danger signal
C . Distress signals may be used in place of the danger signal
D . The danger signal consists of 4 or more short blasts of the whistle
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Which of the following represents the emergency signal for fire aboard ship?（）
A . More than six short blasts and one long blast on the whistle
B . Continuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarm
C . Three short blasts of the whistle supplemented by the same signal on the general alarm
D . More than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
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How should you signal the crane operator to raise the boom?（）.
A . Extend arm with the thumb pointing up and flex the fingers in and out
B . Place both fists in front of the body with the thumbs pointing upward
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D . Extend arm with the fingers closed and thumb upward
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The signal given to commence lowering the lifeboats is（）.
A . 3 short blasts of the ship's whistle
B . 1 short blast of the ship's whistle
C . 3 long blasts of the ship's whistle
D . 1 long blast of the ship's whistle
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The radiotelephone safety signal is（）.
A . securite repeated 3 times
B . safety repeated 3 times
C . pan pan repeated 3 times
D . securite securite repeated 3 time
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A . raise the boom
B . raise the hook
C . raise the boom and hook
D . check the boom sto
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A . Skip zone
B . Blackout zone
C . Diffraction zone
D . Shadow zone
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A.raise the boom
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C.raise the boom and hook
D.check the boom stop
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M: Yes, but business and economy classes were full I had to upgrade to first.
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A．Enrolling in a business class.
B．Airline reservations.
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B.No, not at all
C.Yes, but it is used only to check if conditions for intra-cell and urgency handovers are fulfilled
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是
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是
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The signal words for earlier events include （).
