Boating Coach US
Navigation lights and shapesQuestion 107 of 352

A small boat is used for diving, and its size makes a full set of signals hard to show. What flag replica does it display?

  1. A red flag with a white stripe
  2. A square flag with a ball
  3. A rigid replica of flag A, at least 1 meter high
  4. A blue flag, any size
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Correct answer: A rigid replica of flag A, at least 1 meter high

The flag A replica must be seen from all around.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 83: Inland Navigation Rules, § 83.27 Vessels not under command or restricted in their ability to maneuver (Rule 27)

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Questions last reviewed: 18 October 2026