Chart work Flashcards
1
Q
List 8 Admiralty publications that can be used for Appraisal when passage planning
A
- 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
2
Q
State 10 items of information useful for planning that can be found in these publications (Admiralty publications)
A
- 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
3
Q
Explain what the following chart symbol mean and how that affects fixing the vessel’s position
A
Steep coast -
- Cliffs Good for position fixing, radar ranges should give accurate fixes
4
Q
Explain what the following chart symbol mean and how that affects fixing the vessel’s position
A
Drying heights and contours above chart datum
- Not good for fixing, Radar response is poor
- echo depends on height of tide, will not give an accurate fix
