Coxswain G1 Nautical Knowledge

Welcome to your Coxswain G1 Nautical Knowledge Online Assessment

Student Assessment Instructions

1. This is a closed book Assessment.The video link between the student and the supervisor is to remain on throughout the assessment.

2. All notes, books and mobile phones are to be removed from the table.

3. Mobile phones are to be turned off and not used during the assessment.

4. Students should read each question carefully before answering.

5. All questions are to be answered.

6. No communication is permitted other than with the Assessment Supervisor.

7. No student may leave the room for the duration of the Assessment.

8. When instructed you may commence the Assessment.

9. To pass, you must obtain a 60% or higher mark.

Assessment Date
Student Name
Student Phone No.

1. When using the engine to stop a vessel with a right handed propeller by putting the engine astern, what effect does the propeller have on the transverse movement of the stern?

2. A sand bar is dangerous to cross in bad weather at any time. However it is made more dangerous by the following conditions:

3. A vessel will not lift easily and become harder to steer when:

4. A vessel swinging to either side of her intended course is known as:

5. A single screw vessel is berthed starboard side to. The best way for her to unberth in a strong wind from astern is to start with the following manoeuvre:

6. In the southern hemisphere the wind around a low pressure system blows:

7. Oily bilge’s can be pumped overboard only in the following circumstances:

8. In one degree of Latitude there are:

9. Slack tanks in a vessel can:

10. The term “Chine” refers to:

11. When the weight is moved from the centre line at deck level to the centerline low down in a vessel:

12. Depths printed on navigation charts are in reference to:

13. On a navigational chart, the latitude scale is used to measure distance in:

14. A spring tide is:

15. A large stern trim can lead to pooping when the vessel is:

16. A safety briefing is required to advise passengers on:

17. Leeward means:

18. Underlined figures on a chart indicate :

19. The spacing of isobars indicates :

20. The period of a light is:

21. A heliograph is:

22. Direction of buoyage on a chart is obtained by:

23. When the wind backs it is:

24. A stiff vessel has:

25. A knot can reduce the strength of a fibre rope by as much as 50%:

26. An arrow with feathers on a chart is the symbol for:

27. To lessen the characteristic of squat by a vessel you would:

28. A falling barometer will indicate an approaching:

29. Safe working load (S.W.L.) of rope is:

30. Match the following:

a. Safe Water Mark
b. Isolated Danger Mark
c. Cardinal Mark
d. Special Mark

1. FlY
2. Fl(2)
3. Top mark is a red sphere .
4. Top marks are 2 black cones

31. At sea you align your vessel with a transit bearing 044 degrees compass.
From the chart the transit bears 052 degrees true. Find compass deviation
given variation is 12 E.
8 marks

32. Explain Free Surface Effect
8 marks

33. List and explain 2 dangers which may exist when running before a large sea.
8 marks

34. Explain in detail the meaning of the following light characteristics:

a. Oc (3) 15s 18m 12M
b. Iso 8s 22m 8M
c. Mo(A)14m 7M
d. Fl(3) WRG 10s 10M

8 marks

35. Using the below weather map determine the following wind direction:

a. at Port Headland
b. across Bass Strait
c. compare the wind strength at Darwin and Adelaide

8 marks

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