Advanced Navigation Quiz for Experienced Sailors
A rigorous assessment covering precise techniques and modern tools used at sea.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
When sailing in the Northern Hemisphere, which method yields the most accurate latitude using the altitude of Polaris?
- 2
A navigator sets the ship’s chronometer to Greenwich Mean Time. At local apparent noon the chronometer reads 18:45. What is the ship’s approximate longitude east of Greenwich?
- 3
Which AIS message type conveys the vessel’s static identification and dimensions?
- 4
In dead reckoning, if a ship travels 15 knots for 4 hours on a true course of 090°, what is the estimated eastward displacement in nautical miles?
- 5
A magnetic compass shows a bearing of 045° when the true bearing to a lighthouse is 050°. What is the compass deviation?
- 6
If a tidal stream sets a vessel 2 knots to the north while the intended course is due west at 12 knots, what is the true heading the helmsman should steer to maintain the westward track?
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