單項選擇題

What indicates a dual purpose buoy? （）

A.Red buoy with a horizontal yellow band
B.Red and white vertically-striped buoy with a vertical yellow stripe
C.Red and white vertically-striped buoy with a red spherical topmark
D.Green buoy with a yellow square

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單項選擇題

What describes an accurate position that is NOT based on any prior position? （）

A.Dead-reckoning position
B.Estimated position
C.Fix
D.Running fix

單項選擇題

Uncharted lights，fog signals and radar beacon transmissions may be（）near the station.

A.encountered
B.met
C.contacted
D.seen

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What indicates a dual purpose buoy? （）

你可能感興趣的試題

What describes an accurate position that is NOT based on any prior position? （）

Uncharted lights，fog signals and radar beacon transmissions may be（）near the station.

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