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OREGON STATE MARINE BOARD

 

DIVISION 13

SOUND AND LIGHT SIGNALS

250-013-0001

Definitions

(1) The word "whistle" means any sound signaling appliance capable of producing the prescribed blasts and which complies with current U.S. Coast Guard specifications.

(2) The term "short blast" means a blast of about one second's duration.

(3) The term "prolonged blast" means a blast of from four to six second's duration.

Stat. Auth: ORS 830
Stats. Implemented: ORS 830.210, ORS 830.230 & ORS 830.250
Hist.: MB 16-1983, f. 11-29-83, ef. 12-1-83

250-013-0005

Equipment for Sound Signals

(1) A vessel of 12 meters or more in length shall be provided with a whistle and a bell and a vessel of 100 meters or more in length shall, in addition, be provided with a gong, the tone and sound of which cannot be confused with that of the bell. The whistle, bell and gong shall comply with current U.S. Coast Guard specifications. The bell or gong or both may be replaced by other equipment having the same respective sound characteristics, provided that manual sounding of the prescribed signals shall always be possible.

(2) A vessel of less than 12 meters in length shall not be obliged to carry the sound signaling appliances prescribed in section (1) of this rule but if she does not, she shall be provided with some other means of making an efficient sound signal.

Stat. Auth: ORS 830
Stats. Implemented: ORS 830.230
Hist.: MB 16-1983, f. 11-29-83, ef. 12-1-83

250-013-0010

Maneuvering and Warning Signals

(1) When power-driven vessels are in sight of one another and meeting or crossing at a distance within half a mile of each other, each vessel underway, when maneuvering as authorized or required by these rules:

(a) Shall indicate that maneuver by the following signals on her whistle: one short blast to mean "I intend to leave you on my port side"; two short blasts to mean "I intend to leave you on my starboard side"; and three short blasts to mean "I am operating astern propulsion";

(b) Upon hearing the one or two blast signal the other shall, if in agreement, sound the same whistle signal and take the steps necessary to effect a safe passing. If, however, from any cause, the vessel doubts the safety of the proposed maneuver, she shall sound the danger signal specified in section (4) of this rule and each vessel shall take appropriate precautionary action until a safe passing agreement is made.

(2) A vessel may supplement the whistle signals prescribed in section (1) of this rule by light signals:

(a) These signals shall have the following significance: one flash to mean "I intend to leave you on my port side"; two flashes to mean "I intend to leave you on my starboard side"; three flashes to mean "I am operating astern propulsion";

(b) The duration of each flash shall be about one second; and

(c) The light used for this signal shall, if fitted, be one all-round white or yellow light, visible at a minimum range of two miles, synchronized with the whistle, and shall comply with current U.S. Coast Guard specifications.

(3) When in sight of one another:

(a) A power-driven vessel intending to overtake another power-driven vessel shall indicate her intention by the following signals on her whistle: one short blast to mean "I intend to overtake you on your starboard side"; two short blasts to mean "I intend to overtake you on your port side"; and

(b) The power-driven vessel about to be overtaken shall, if in agreement, sound a similar sound signal. If in doubt she shall sound the danger signal prescribed in section (4) of this rule.

(4) When vessels in sight of one another are approaching each other and from any cause either vessel fails to understand the intentions or actions of the other, or is in doubt whether sufficient action is being taken by the other to avoid collision, the vessel in doubt shall immediately indicate such doubt by giving at least five short and rapid blasts on the whistle. This signal may be supplemented by a light signal of at least five short and rapid flashes.

(5) A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound one prolonged blast. This signal shall be answered with a prolonged blast by an approaching vessel that may be within hearing around the bend or behind the intervening obstruction.

(6) If whistles are fitted on a vessel at a distance apart of more than 100 meters, one whistle only shall be used for giving maneuvering and warning signals.

(7) When a power-driven vessel is leaving a dock or berth, she shall sound one prolonged blast.

(8) A vessel that reaches agreement with another vessel in a meeting, crossing, or overtaking situation by using the radiotelephone as prescribed by the Federal Bridge-to-Bridge Radio-Telephone Act (85 Stat. 165; 33 U.S.C. 1207), is not obliged to sound the whistle signals prescribed by this rule, but may do so. If agreement is not reached, then whistle signals shall be exchanged in a timely manner and shall prevail.

Stat. Auth: ORS 830
Stats. Implemented: ORS 830.230 & ORS 830.250
Hist.: MB 16-1983, f. 11-29-83, ef. 12-1-83

250-013-0015

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:

(1) A power-driven vessel making way through the water shall sound at intervals of not more than two minutes one prolonged blast.

(2) A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than two minutes two prolonged blasts in succession with an interval of about two seconds between them.

(3) 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 of the signals prescribed in section (1) or (2) of this rule, sound at intervals of not more than two minutes, three blasts in succession; namely, one prolonged followed by two short blasts.

(4) A vessel towed or if more than one vessel is towed the last vessel of the tow, if manned, shall at intervals of not more than two minutes sound four blasts in succession; namely, one prolonged followed by three short blasts. When practicable, this signal shall be made immediately after the signal made by the towing vessel.

(5) When a pushing vessel and a vessel being pushed ahead are rigidly connected in a composite unit they shall be regarded as a power-driven vessel and shall give the signals prescribed in section (1) or (2) of this rule.

(6) A vessel at anchor shall at intervals of not more than one minute ring the bell rapidly for about five seconds. In a vessel of 100 meters or more in length the bell shall be sounded in the forepart of the vessel and immediately after the ringing of the bell the gong shall be sounded rapidly for about five seconds in the after part of the vessel. A vessel at anchor may in addition sound three blasts in succession; namely, one short, one prolonged and one short blast, to give warning of her position and of the possibility of collision to an approaching vessel.

(7) A vessel aground shall give the bell signal and if required the gong signal prescribed in section (6) of this rule and shall, in addition, give three separate and distinct strokes on the bell immediately before and after the rapid ringing of the bell. A vessel aground may in addition sound an appropriate whistle signal.

(8) A vessel of less than 12 meters in length shall not be obliged to give the above-mentioned signals but, if she does not, shall make some other efficient sound signals at intervals of not more than two minutes.

(9) A pilot vessel when engaged on pilotage duty may in addition to the signals prescribed in section (1), (2) or (6) of this rule sound an identity signal consisting of four short blasts.

(10) The following vessels shall not be required to sound signals as prescribed in section (6) of this rule when anchored in a special anchorage area designated by the United States Secretary of Transportation:

(a) A vessel of less than 20 meters in length; and

(b) A barge, canal boat, scow, or other nondescript craft.

Stat. Auth: ORS 830
Stats. Implemented: ORS 830.230
Hist.: MB 16-1983, f. 11-29-83, ef. 12-1-83

250-013-0020

Signals to Attract Attention

If necessary to attract the attention of another vessel, any vessel may make light or sound signals that cannot be mistaken for any signal authorized elsewhere in these rules, or may direct the beam of her searchlight in the direction of the danger, in such a way as not to embarrass any vessel.

Stat. Auth: ORS 830
Stats. Implemented: ORS 830.225, ORS 830.230 & ORS 830.250
Hist.: MB 16-1983, f. 11-29-83, ef. 12-1-83

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