单项选择题
Which conditions will normally cause a SART to operate in the active mode?（）
A.It will respond only to interrogation by 9-Ghz radar signals
B.A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high
C.A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles
D.All of the above
相关考题
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单项选择题
Which channel and mode should be used when initiating a distress alert transmission?（）
A.Channel 6 DSC
B.Channel 6 Radiotelephony
C.Channel 13 Radiotelephony and channel 16 DSC
D.Channel 70 DSC -
单项选择题
Which action(s) should the operator of a pedestal crane take if crane control is lost?（）
A.Let go of both control levers and return to neutral position
B.Press the emergency stop
C.Notify the mate on watch
D.All of the above -
单项选择题
Which action(s) is/are included in crane operations?（）
A.Normal boom stowage and shutdown operations
B.Emergency shutdown operation
C.Removing booms from stowage
D.All of the above
