A.GL WNG
B.GEN SYN
C.STM WNG
D.TY WNG
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A.GALE WARNING
B.24 HOURS FORECAST
C.GENERAL SITUATION
D.TROPICAL CYCLONE WARNING
A.Notice to Mariners
B.Coast Pilots
C.nautical chart catalogs
D.Sailing Directions
A.smaller scales
B.larger scales
C.smaller scales and larger scales
D.moderate scales
A.Mercator charts／Loran charts
B.Admiralty charts／Routeing charts
C.large scale charts／small scale charts
D.small scale charts／large scale charts
A.Plotting radio bearings over a long distance
B.Determining latitude and longitude of a fix
C.Measuring rhumb line distances
D.Measuring rhumb line directions
最新試題
Section V of the ADMIRALTY NOTICES TO MARINERS is（）.
Weekly NMs are available without subscription from appointed（）.
LOW ABOUT 300 MILES SOUTHWEST OF LISBON 1004 MOVING SLWLY SOUTHEAST COMMA FILLING 1006 BY MIDNIGHT.This phrase is likely to be under the heading of（）.
On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a（）.
Many navigational warnings are of a temporary nature，but others remain in force for several months or may be succeeded by（）.
On a nautical chart，the inner ring of a compass rose indicates（）.
Periodic publications notifying changes in，or additions to，previously published navigational data are（）.
Why is a warning sign displayed at the gangway or access point of a barge during cargo transfer（）.
Information for updating nautical charts is primarily found in the（）.
What is the most important source of information to be used in correcting charts and keeping them up to date（）.