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
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On the approach of a warm front the barometric pressure usually().
()is the system for the broadcast and automatic reception of maritime safety information by means of narrow-band direct-printing telegraphy.
Information for updating nautical charts is primarily found in the().
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().
The range of a light on Admiralty Charts is normally the().
The best estimate of the wind direction at sea level can be obtained from observing the direction of the().
Navigational warnings and weather bulletins for shipping()from Singapore Radio.
Generally,()are used as the track charts on the high sea,()are used for harbors,inland waters and coastal areas.
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?()