Rules of the Road · Sound Equipment
Under the COLREGS, what is the duration of a 'short blast' on a sound signal appliance?
- AAbout 1 second✓ Correct
- BAbout 4 seconds
- CAbout 6 seconds
- DAbout 2 seconds
Explanation
Rule 32(b) defines a short blast as a blast of about one second's duration. A prolonged blast, by contrast, lasts 4 to 6 seconds. Mixing up these durations is the most common error on the exam.
Authority: 72 COLREGS Rule 32(b)
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