On the waterQuestion 301 of 566

Which flag must a dive boat display?

  1. A solid yellow flag.
  2. A solid green flag.
  3. The blue and white Code Flag Alpha.
  4. A black and white striped flag.
Show answer

Correct answer: The blue and white Code Flag Alpha.

Dive boats show the international blue and white Alpha flag.

Source: Safe Boating Guide (TP 511E, 2026), Divers below the surface, page 39

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Questions last reviewed: 18 October 2026