單項(xiàng)選擇題

Which emergency equipment should you keep near the towing bitts? （）

A.A self-contained breathing apparatus (SCBA)
B.A boat hook and a spanner wrench
C.A fire ax and/or cutting torch
D.A Stokes litter basket

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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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