Sound Signals Quiz

Rule 34. MANEUVERING AND WARNING SIGNALS (a) When vessels are in sight of one another, a power-driven vessel underway, when maneuvering as authorized by these Rules, shall indicate that maneuver by the following signals on her whistle: - one short blast to mean "I am altering my course to the right" ... (b) A vessel may supplement the whistle signals prescribed in paragraph (a) of this Rule by light signals, repeated as long as the maneuver is being carried out: (i) these light signals shall have the following significance: - one flash to mean "I am altering my course to the right" ... (ii) each flash shall have a duration of about 1 second, the interval between flashes shall be about 1 second, and the interval between successive signals shall not be less than 10 seconds; (iii) the light used for this signal, if fitted, shall be an all-round white light, visible at a minimum range of 5 miles, and shall comply with the provisions of Annex I to these Rules. ...