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單項選擇題

What is the most important source of information to be used in correcting charts and keeping them up to date（）.

A.Fleet Guides
B.Notice to Mariners
C.Sailing Directions
D.Pilot Charts

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單項選擇題

Weekly Notices are dated for the（）appropriate to the week they are issued on the UKHO website.

A.Monday
B.Tuesday
C.Wednesday
D.Thursday

單項選擇題

Weekly NMs are available without subscription from appointed（）.

A.Admiralty Distributors
B.Admiralty Publication House
C.United Kingdom Hydrographic Office
D.UK Maritime & Coastguard Agency

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