Coastal Navigation and Weather Planning Quiz
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Questions and Answers

What should be considered at the planning stage for possible Fog in Coastal Navigation?

  • Effect on the cargo
  • Effect on the ship's hull
  • Effect on the crew members
  • Effect on the SOA (correct)

In Coastal Navigation passage in Fog with operational radio navaids, why does it make little difference if the ship stays inshore or well offshore?

  • Density of shipping (correct)
  • Depth of water
  • Type of cargo
  • Visibility of land

Why should the effect on the SOA of possible Heavy Weather be addressed at the planning stage for Coastal Navigation?

  • For smoother sailing
  • For exposed waters (correct)
  • For better visibility
  • For faster speed

In Heavy Weather, why is a passage to leeward of islands usually preferable?

<p>To have opportunities for shelter (D)</p> Signup and view all the answers

What type of routing systems may Coastal Navigation routes run through?

<p>'International Maritime Organization' (IMO) or 'National' routing systems (D)</p> Signup and view all the answers

How can islands or headlands without navigational lights still be used for visual night fixing?

<p>By using night vision aids if available (D)</p> Signup and view all the answers

What is the purpose of establishing dates of intended passage early in the Navplan preparation process?

<p>To ensure smooth coordination with the commanding officer (A)</p> Signup and view all the answers

What should be noted in the Navigation Officer's Workbook during the Navplan preparation process?

<p>Heights of tide and under keel clearances along the route (C)</p> Signup and view all the answers

In Navplan preparation, what does the Limiting Danger Line (LDL) refer to?

<p>A line marking the boundary of safe navigation (B)</p> Signup and view all the answers

Why is it crucial to appraise the ETDs/ETAs and refine Speed of Advance (SOA) during Navplan preparation?

<p>To ensure accurate passage timing and navigation speed (C)</p> Signup and view all the answers

Which of the following factors should be appraised as part of Navplan preparation to ensure safety?

<p>Heights of Tide (HOT) and under keel clearances along the route (C)</p> Signup and view all the answers

Why should the navigation officer brief the commanding officer and operations officer as soon as possible during Navplan preparation?

<p>To ensure smooth coordination and communication (C)</p> Signup and view all the answers

What is a factor to consider related to ETDs and ETAs in Coastal Navigation?

<p>Refined SOA (D)</p> Signup and view all the answers

Why are warships limited in their activities during 'Innocent Passage' through Territorial Seas?

<p>To respect the sovereignty of coastal states (C)</p> Signup and view all the answers

What does the term 'Mine Danger Areas' refer to in surface navigation?

<p>Areas with unexploded ordnance (C)</p> Signup and view all the answers

Why is it important to cross-check all available sources of navigational information?

<p>To ensure accuracy and safety in navigation (A)</p> Signup and view all the answers

What is a key consideration when vessels are likely to impinge on Territorial Sea boundaries?

<p>Respecting international borders (B)</p> Signup and view all the answers

What do Under Keel Clearances and LDLs relate to in maritime navigation?

<p>'Least Depth Levels' for vessel safety (A)</p> Signup and view all the answers

What type of information should be shown on large-scale navigation charts?

<p>Limiting Danger Line (LDL) for the correct Height of Tide (HOT) (A)</p> Signup and view all the answers

What must be taken into consideration for Route Selection as per the text?

<p>Planning for Fog in Coastal Navigation (B)</p> Signup and view all the answers

What aspect of navigation planning involves the construction of the Limiting Danger Line (LDL) on charts?

<p>Route Selection criteria (A)</p> Signup and view all the answers

Which type of charts may be drawn up or installed if using WECDIS / ECDIS according to the text?

<p>Large-Scale navigation charts (C)</p> Signup and view all the answers

What is essential when transferring tracks to adjacent paper charts?

<p>Two different methods and consistent distances to run (B)</p> Signup and view all the answers

Which of the following is NOT a consideration for detailed planning in large-scale navigation as mentioned in the text?

<p>Restrictions on high-power radar / sonar / communications in certain areas (A)</p> Signup and view all the answers

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