Navigation General · Passage Planning — No-Go Areas
On a passage plan, a 'no-go area' marked on the chart represents:
- AA preferred anchorage
- BThe pilot boarding area
- CWater the vessel must not enter due to insufficient depth or other hazard✓ Correct
- DA fuel-saving shortcut
Explanation
No-go areas are shaded on the working chart to show water the vessel cannot safely enter (e.g., shoals, restricted zones). They give the watch officer an immediate visual reference to keep the vessel in safe water.
Authority: IMO Res A.893(21); bridge procedures guidance
Practice the full Navigation General bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Navigation General questions
- Dead Reckoning
A vessel departs a known position at 0800 on course 090°T at 12 knots. What is the DR position at 1100?
- Time-Speed-Distance
Using the 60 D = S × T formula, how long will it take a vessel traveling at 15 knots to cover 45 nautical miles?
- Time-Speed-Distance
A vessel travels 90 nautical miles in 6 hours. What is the vessel's speed?
- Dead Reckoning
Which of the following is the best definition of a Dead Reckoning (DR) position?
- Set & Drift
A vessel steers 000°T at 10 knots for 2 hours. The observed position shows the vessel is 4 nm east of the DR position. What is the set and drift of the current?
- Set & Drift
A current has a set of 225°T and a drift of 2 knots. Over 3 hours, how far and in what direction will this current displace a vessel from its DR position?