🔍 Key Concepts

• Rule 35 – Sound signals in restricted visibility • Difference between a vessel’s required anchor signal and an additional warning signal to an approaching vessel • Meaning and typical use of danger signal (five or more short blasts)

💭 Think About

• First, recall what sound signal an anchored vessel must give at regular intervals in fog. Then ask: which choice is something extra you might do to warn a specific approaching vessel? • Look at which options are standard, defined signals with specific meanings, and which option describes something in addition to the normal anchor signal. • Think about which signal in the choices is specifically associated with ‘I am in doubt about your actions or intentions’ rather than just being at anchor.

✅ Before You Answer

• Verify in Rule 35 what the normal anchor signal is (bell and possibly gong), and notice whether any of the options describe that correctly or modify it. • Identify which option corresponds to the danger signal under the sound and light signals rules, and consider whether that’s used as a warning to another vessel in restricted visibility. • Check which answer choice mentions an action done before or after the regular anchor signal, and think about why that timing detail might matter.