Coastal Navigation and Weather Planning Quiz

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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?

To have opportunities for shelter Signup and view all the answers

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

'International Maritime Organization' (IMO) or 'National' routing systems Signup and view all the answers

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

By using night vision aids if available Signup and view all the answers

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

To ensure smooth coordination with the commanding officer Signup and view all the answers

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

Heights of tide and under keel clearances along the route Signup and view all the answers

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

A line marking the boundary of safe navigation Signup and view all the answers

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

To ensure accurate passage timing and navigation speed Signup and view all the answers

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

Heights of Tide (HOT) and under keel clearances along the route 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?

To ensure smooth coordination and communication Signup and view all the answers

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

Refined SOA Signup and view all the answers

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

To respect the sovereignty of coastal states Signup and view all the answers

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

Areas with unexploded ordnance Signup and view all the answers

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

To ensure accuracy and safety in navigation Signup and view all the answers

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

Respecting international borders Signup and view all the answers

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

'Least Depth Levels' for vessel safety Signup and view all the answers

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

Limiting Danger Line (LDL) for the correct Height of Tide (HOT) Signup and view all the answers

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

Planning for Fog in Coastal Navigation Signup and view all the answers

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

Route Selection criteria Signup and view all the answers

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

Large-Scale navigation charts Signup and view all the answers

What is essential when transferring tracks to adjacent paper charts?

Two different methods and consistent distances to run 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?

Restrictions on high-power radar / sonar / communications in certain areas Signup and view all the answers