USCG Exam Practice · Rule 19 — Conduct of Vessels in Restricted Visibility
Under Inland Rule 19, which of the following conditions constitutes 'restricted visibility'?
- ADarkness between sunset and sunrise
- BA navigational hazard such as a shoal or reef ahead
- CVisibility restricted by fog, mist, falling snow, heavy rainstorms, or sandstorms✓ correct
- DAny condition requiring the use of radar
Why C is correct
33 CFR §83.03(l) defines restricted visibility as any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms, or any other similar causes. Darkness alone is not restricted visibility under the Rules.
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