Rule 35 — Sound Signals in Restricted Visibility

33 CFR §83.35

Sound signals in restricted visibility (Rule 35). In or near an area of restricted visibility, whether by day or night, the signals prescribed in this Rule shall be used as follows: (a) A power-driven vessel making way through the water shall sound, at intervals of not more than 2 minutes, one prolonged blast. (b) A power-driven vessel underway but stopped and making no way through the water shall sound, at intervals of not more than 2 minutes, two prolonged blasts in succession, with an interval of about 2 seconds between them. (c) A vessel not under command; a vessel restricted in her ability to maneuver, whether underway or at anchor; a sailing vessel; a vessel engaged in fishing, whether underway or at anchor; and a vessel engaged in towing or pushing another vessel shall, instead …

COLREGs Rule 35

Sound Signals in Restricted Visibility In or near an area of restricted visibility, whether by day or night, the signals prescribed in this Rule shall be used as follows: (a) A power-driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast. (b) A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than 2 minutes two prolonged blasts in succession with an interval of about 2 seconds between them. (c) A vessel not under command, a vessel restricted in her ability to maneuver, a vessel constrained by her draft, a sailing vessel, a vessel engaged in fishing and a vessel engaged in towing or pushing another vessel shall, instead of the signals prescribed in paragraphs (a) or …

COLREGs Rule 35(a)

Sound Signals in Restricted Visibility (a) A power-driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast. Relationship to the Inland Rules: Inland Rule 35 differs from this rule — compare against 33 CFR 83.35 before answering a question that turns on which set applies.

COLREGs Rule 35(b)

Sound Signals in Restricted Visibility (b) A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than 2 minutes two prolonged blasts in succession with an interval of about 2 seconds between them. Relationship to the Inland Rules: Inland Rule 35 differs from this rule — compare against 33 CFR 83.35 before answering a question that turns on which set applies.

COLREGs Rule 35(c)

Sound Signals in Restricted Visibility (c) A vessel not under command, a vessel restricted in her ability to maneuver, a vessel constrained by her draft, a sailing vessel, a vessel engaged in fishing and a vessel engaged in towing or pushing another vessel shall, instead of the signals prescribed in paragraphs (a) or (b) of this Rule, sound at intervals of not more than 2 minutes three blasts in succession, namely one prolonged followed by two short blasts. Relationship to the Inland Rules: Inland Rule 35 differs from this rule — compare against 33 CFR 83.35 before answering a question that turns on which set applies.

COLREGs Rule 35(d)

Sound Signals in Restricted Visibility (d) A vessel engaged in fishing, when at anchor, and a vessel restricted in her ability to maneuver when carrying out her work at anchor, shall instead of the signals prescribed in paragraph (g) of this Rule sound the signal prescribed in paragraph (c) of this Rule. Relationship to the Inland Rules: Inland Rule 35 differs from this rule — compare against 33 CFR 83.35 before answering a question that turns on which set applies.