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Rules of the Road.

Rule 34

Maneuvering and Warning signals

International

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

Rule 34

Inland

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

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Q: What is 1 prolonged blast from a vessel?
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What does one prolonged blast from the horn of another vessel mean?

The Vessel is turning to Starboard .


You're operating a motorboat you hear one prolonged blast from the horn of another vessel what should you do?

You are operating a motorboat. You hear one prolonged blast from the horn of another vessel. What should you do?


What is one possible meaning of a single prolonged blast of a horn?

In the maritime environment, it mean several things: 1. In restricted visibility it means the vessel is making way through the water. 2. A vessel approaching a blind bend in a river can sound one prolonged blast on the ships' whistle to alert any other vessels to its presence, if another vessel is nearby then they will respond with one prolonged blast on the ships' whistle.


What is one possible meaning of a prolonged blast of a horn?

In the maritime environment, it mean several things: 1. In restricted visibility it means the vessel is making way through the water. 2. A vessel approaching a blind bend in a river can sound one prolonged blast on the ships' whistle to alert any other vessels to its presence, if another vessel is nearby then they will respond with one prolonged blast on the ships' whistle.


What is a possible meaning of a single prolonged blast of horn?

In the maritime environment, it mean several things: 1. In restricted visibility it means the vessel is making way through the water. 2. A vessel approaching a blind bend in a river can sound one prolonged blast on the ships' whistle to alert any other vessels to its presence, if another vessel is nearby then they will respond with one prolonged blast on the ships' whistle.


What is one meaning of a single prolonged blast of a horn?

In the maritime environment, it mean several things: 1. In restricted visibility it means the vessel is making way through the water. 2. A vessel approaching a blind bend in a river can sound one prolonged blast on the ships' whistle to alert any other vessels to its presence, if another vessel is nearby then they will respond with one prolonged blast on the ships' whistle.


What is one possible mean of a single prolonged blast of a horn?

In the maritime environment, it mean several things: 1. In restricted visibility it means the vessel is making way through the water. 2. A vessel approaching a blind bend in a river can sound one prolonged blast on the ships' whistle to alert any other vessels to its presence, if another vessel is nearby then they will respond with one prolonged blast on the ships' whistle.


What sound alerts others that a vessel is leaving the dock?

one prolonged blast


You hear one prolonged blast from the horn of another vessel What should you do?

B


What sound means a vessel is underway in fog?

There are several sound signals for a vessel underway in restricted visbility.A power drivel vessel underway, making way- 1 PROLONGED Blast (4-6 seconds duration) Not to exceed every two minutes.A power driven vessel underway NOT making way-2 PROLONGED every 2 minutes, not exceed two minutes.A vessel not under command, a vessel restricted in maneuverability, a vessel towing, a vessel engaged in fishing, a sailing vessel & a vessel constrained by her draft (International only) 1 PROLONGED blast followed by two short blast (duration about 1 second per short blast) every two minutes, not to exceed two minutes.A MANNED vessel being towed shall sound 1 PROLONGED followed by 3 SHORT blasts every two minute, not to exceed two minutes.See the link provided for the International and Inland Navigational Rules of the Road. Rule 35.for power driven vessels over 12meters it's one long blast every 2 minutes


What sounds signal alerts others that a vessel is leaving a dock?

one prolonged blast


What should you do if you hear one prolonged blast?

Stay out of the way! One prolonged blast is the whistle signal for a ship leaving a berth or in a blind bend in a channel.