A.Stations not directly involved with the on-going distress communications may not transmit on the distress frequency or channel
B.Stations remaining off the air to safeguard proprietary information
C.Two three-minute silent periods，at 15 and 45 minutes after the hour，that provide a transmitting "window" for distressed vessels to transmit distress alerts using J3E
D.Communications on a distress frequency or channel is banned for 24 hours following the cessation of the distress traffic
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A.Distress and alarm signals transmitted or intercepted
B.Times of beginning and end of watch period
C.Routine navigational traffic
D.Daily statement about the condition of the required radiotelephone equipment
A.The vessel would arrive at the distress scene more than 36 hours after the receipt of the initial distress message
B.There are vessels closer to the distress scene that are proceeding to assist
C.The Master of the vessel in distress has requisitioned another vessel，and that vessel has accepted the requisition
D.You are on a tank vessel and the distress involves a major fire on board the other vessel
A.danger
B.I am in distress
C.the vessel is not under command (broken down)
D.I am operating astern propulsion
A.horizontal motion of a white flag
B.letter K in Morse code given by light
C.code flag S as a hoist
D.firing of a white star signal
A.forty two months from the date of manufacture
B.thirty six months from the date of the last inspection
C.twenty four months from the date of approval
D.twelve months from the date of purchase
最新試題
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
Which categories of NAVTEX messages may not be selectively rejected through receiver programming?（）
The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
Which signal is recognized as a distress signal?（）
When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.
Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE? （）
The regulations require that inspected vessels on an international voyage，other than small passenger vessels，must carry which of the following distress signals on or near the navigating bridge?（）
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
Wat is NOT required in the radiotelephone log?（）
Which condition represents the appropriate time for setting off distress flares and rockets? （）