A.Sailing Directions
B.Light List
C.List of Private Aids
D.Aids to Navigation Manual
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A.radio time signal
B.comparison with a timepiece of known error
C.applying the prevailing chronometer rate to previous readings
D.All of the above
A.National Geospatial-Intelligence Agency
B.Coast Guard
C.Naval Observatory
D.National Ocean Service
A.underlined letters
B.capital letters
C.italics
D.boldface print
A.inconspicuous
B.conspicuous
C.a government facility or station
D.a radio transmitter
A.coast to aircraft operational communications
B.aircraft to ship operational communications
C.lock & bridge communications
D.aircraft to ship navigational communications
最新試題
Corrosive liquids and acids should have which kind of label?（）
Deck beams on a ship are generally spaced at equal intervals and run（）.
Clouds with the prefix “nimbo” in their name（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.
Deneb is found in what constellation?（）
Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
Dacron sails，when not in use，may be damaged if（）.
Day-shapes must be displayed（）.
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.