Chart work

Question 1

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

Answer 1

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

Question 2

State 6
items of information useful for planning that can be found in these publications (Admiralty publications)

Answer 2

• VTS stations to call
• Location of Pilot boarding stations
• Requirements for pilots
• Radio information required in report
• Details of navigation lights
• Port facilities

Question 3

State 5
items of information useful for planning that can be found in these publications (Admiralty publications)

Answer 3

• Recommended routes
• Radar conspicuous objects for position fixing
• Predominant wind for ocean crossing
• Port facilities
• Height of tide for port entry

Question 4

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

Answer 4

Steep coast -

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

Question 5

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

Answer 5

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

Question 6

Admilraty notice mariners
(Contents)

Answer 6

updates to -

• standard nautical charts
• admilraty sailing directions
• admilarity list of lights and fog signals
• list of radio signals
• nav warnings

Question 7

cumulitive notice to mariners

Answer 7

published twice a year in January and June

Question 8

admilraty notice to mariners

Answer 8

sent weekly

Question 9

correcting your chart

Answer 9

• check which chart is listed for update
• pull each chart out, check previous correction has been done
• if the previous correction has not been done
• we will go to accumilitve notice to mariners and do the previous corrections first
• then our own correction
• permenant chart correction in magenta ink
• all temperory corrections in pencil

Question 10

Mercator charts

Answer 10

For general navigation

Question 11

Genomic charts

Answer 11

Used for ocean crossings and long distances, planning stage

Question 12

what can special markers be used for?
C.R.O.F.T.S

Answer 12

• Channel within channel
• Recreational
• ODAS
• Firing range
• TSS lanes
• Submarine cables