USCG Exam PracticeApplying tide corrections to charted depth
Under 33 CFR §164.33, which of the following best describes the requirement for charts carried aboard a vessel subject to that regulation?
- A. Charts must be published by the National Ocean Service only and must be currently corrected.
- ✓ Charts must be of a large enough scale, have enough detail for safe navigation, and be currently corrected.Correct
- C. Charts must be the most recently published edition regardless of correction status.
- D. Charts must be published by the NGA and corrected within the past 12 months.
Why B is correct
33 CFR §164.33(a)(1) requires charts to be of a large enough scale and have enough detail to make safe navigation possible, and to be currently corrected. The regulation also permits charts from NOS, Army Corps of Engineers, or a river authority, not NOS exclusively.
Cited:33 CFR §164.33