Observe and identify
Foundation level, about 2 min. International COLREGs / IRPCS.
The situation
A vessel nearby uses her fog-signalling apparatus. Listen to this ten-second excerpt and interpret the sound.
What can you conclude from the signal in these circumstances?
- Distress and need of assistance
- Doubt about another vessel’s intentions
- An approaching vessel beyond a blind bend
Answers and explanations
Lookout: Use the situation as well as the sound. Listen to the full sequence before deciding.
The sound answer
Distress and need of assistance
Distress and need of assistance. Continuous sounding on a fog-signalling apparatus. This player gives a ten-second uninterrupted excerpt, not a repeated group of prolonged blasts.
Why the other options fall short
Doubt about another vessel’s intentions
Distress and need of assistance. Continuous sounding on a fog-signalling apparatus. This player gives a ten-second uninterrupted excerpt, not a repeated group of prolonged blasts.
An approaching vessel beyond a blind bend
Distress and need of assistance. Continuous sounding on a fog-signalling apparatus. This player gives a ten-second uninterrupted excerpt, not a repeated group of prolonged blasts.
Rule 37, Annex IV 1(b) · Continuous distress sound
Distress and need of assistance. Continuous sounding on a fog-signalling apparatus. This player gives a ten-second uninterrupted excerpt, not a repeated group of prolonged blasts.