USCG Exam Practice · Rule 35 — Sound Signals in Restricted Visibility
In restricted visibility, the last vessel of a tow, if manned, is required to sound which signal?
- AOne prolonged followed by two short blasts at intervals of not more than 2 minutes
- BOne prolonged followed by three short blasts at intervals of not more than 2 minutes✓ correct
- CTwo prolonged blasts at intervals of not more than 2 minutes
- DOne prolonged blast at intervals of not more than 2 minutes
Why B is correct
33 CFR §83.35(e) requires the last vessel of a tow, if manned, to sound four blasts — one prolonged followed by three short blasts — at intervals of not more than 2 minutes. This signal is distinct from the towing vessel's signal of one prolonged followed by two short blasts.
Cited:33 CFR §83.35(e)
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