Chart work

Question 1

List 8 Admiralty publications that can be used for Appraisal when passage planning

Answer 1

Chart catalogue
Navigation charts
Sailing directions/Pilot books
List of Radio Signals
List of Lights and Fog signals
Tide Tables
Ocean passages for the world
Routeing charts

Question 2

State 10 items of information useful for planning that can be found in these publications

Answer 2

VTS stations to call
Radio information required in report
Requirements for pilots
Details of navigation lights
Height of tide for port entry
Recommended routes
Radar conspicuous objects for position fixing
Predominant wind for ocean crossing
Port facilities
Location of Pilot boarding stations

Question 3

Explain what the following chart symbol mean and how that affects fixing the vessel’s position

Answer 3

Steep coast, Cliffs Good for position fixing, radar ranges should give accurate fixes

Question 4

Explain what the following chart symbol mean and how that affects fixing the vessel’s position

Answer 4

Drying heights and contours above chart datum

Not good for fixing, Radar response is poor and
echo depends on height of tide, will not give an accurate fix