Rule text#
Source
Verbatim 33 CFR §83.31 as published in the Code of Federal Regulations — public domain, retrieved 2026-05-16.
Where it is impracticable for a seaplane or a WIG craft to exhibit lights and shapes of the characteristics or in the positions prescribed in the Rules of this subpart, she shall exhibit lights and shapes as closely similar in characteristics and position as is possible.
Authoritative source#
Source links checked against the current public rule corpus on 2026-05-16.
- 33 CFR §83.31 — the section this text comes from, with its neighbours.
- The Inland Navigation Rules are codified at 33 CFR Part 83 and are public domain. The international COLREGs text is published separately by the IMO.
Practice this rule#
One real exam question on this rule, cited to source. No sign-up.
According to the Navigation Rules, if the compass bearing to an approaching vessel remains constant and the range is decreasing, what conclusion must be drawn?
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