USCG Exam Practice · Rule 34 — Maneuvering and Warning Signals
Under the Inland Navigation Rules, a vessel has two whistles fitted at a distance of more than 100 meters apart. When giving maneuvering and warning signals, which requirement applies?
- ABoth whistles shall be sounded simultaneously to ensure the signal is heard
- BThe forward whistle only shall be used for all maneuvering and warning signals
- COne whistle only shall be used for giving maneuvering and warning signals✓ correct
- DEither whistle may be used alternately, provided the signals are not simultaneous
Why C is correct
33 CFR §83.34(f) states that if whistles are fitted on a vessel at a distance apart of more than 100 meters, one whistle only shall be used for giving maneuvering and warning signals. The rule does not specify which whistle, only that a single whistle be used.
Cited:33 CFR §83.34(f)
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