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One long two shorts is a sound signal made in restricted visibility by the following classes of vessels:

  • Not Under Command
  • Restricted ability to manoeuvre
  • Constrained by draught
  • Sailing vessel
  • Vessel engaged in fishing
  • Vessel engaged in towing or pushing

A vessel engaged in fishing would make this signal at anchor and underway.

All other classes of vessel listed would make the signal only when underway.

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Laury Roob

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Q: WHAT DOES One prolonged blast plus two short blasts every two minutes.?
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You are out on the water in foggy conditions. You hear one prolonged blast plus two short blasts every two minutes. What does this sound signal mean?

The sound signals that it is a sailing vessel underway when you hear one prolonged blast plus two short blasts every two minutes.


What is the meaning of a prolonged blast plus two short blasts every two minutes?

When visibility is very limited, such as in heavy fog, boaters must give an audible signal to others in the area. For a sailboat the signal is one prolonged blast plus two short blasts every two minutes.


You are out in the water in foggy conditions you hear one prolonged blast plus two short blast every two minutes what does this sound signal mean?

The sound signals that it is a sailing vessel underway when you hear one prolonged blast plus two short blasts every two minutes.


When a Sailboat is underway in the fog what sound signal should you here?

One prolonged blast plus two short blasts every two minutes


During periods of restricted visibility what vessels must emit 1 prolonged blast immediately followed by 2 short blasts every two minutes?

Sailboat


What sound signal indicates that a sailing vessel is underway in the fog?

One prolonged blast followed two short blasts, every two minutes, not to exceed two minutes. Rule 35-Sound Signals in restricted visibility.


You are out on the water and foggy conditions you hear one prolonged blast plus 2 short blast every two minutes what does this sound signal me?

Rules of the Road. Rule 35, 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, sound at intervals of not more than two minutes three blast in succession, namely one prolonged followed by two short blast.


What do two short blasts of a boat horn mean?

Passing on your right side.Signals are (number of blasts):1. Passing you on your left (port) side2. Passing you on your right (starboard) side3. I am moving backwards (astern)4. Danger, don't do that (answer to the other three if dangerous)One short blast means 'I am changing course to starboard.'Two short blasts mean 'I am changing course to port.'Three short blasts mean 'I am operating astern.'Two prolonged blasts followed by one short blast to mean 'I intend to overtake you on your starboard side';Two prolonged blasts followed by two short blasts to mean 'I intend to over-take you on your port side.'A long blast every two minutes is used when operating in fog.


What signal should you hear when a sailboat is underway in the fog?

One prolonged blast plus two short blasts every two minutes. Explanation: Sound signals let other boaters know where you are located during periods of restricted visibility, such as extreme fog. If you hear the fog signal of a vessel you cannot see, slow to a minimum speed until you are sure there is not a risk of collision. One prolonged blast plus two short blasts at intervals of not more than two minutes is the signal used by sailing vessels.


A sailboat is underway in the fog. What sound should you hear?

One prolonged blast plus two short blasts every two minutes. Explanation: Sound signals let other boaters know where you are located during periods of restricted visibility, such as extreme fog. If you hear the fog signal of a vessel you cannot see, slow to a minimum speed until you are sure there is not a risk of collision. One prolonged blast plus two short blasts at intervals of not more than two minutes is the signal used by sailing vessels.


What does one prolonged blast plus 2 short blasts every two minutes mean?

It has several meanings depending on circumstances.A vessel not under command or restricted in its ability to manoeuvre, or constrained by her draught, or engaged in fishing, or towing or pushing, or a sailing vessel.


What sound signal should you hear when a sailboat is underway in fog?

One prolonged blast plus two short blasts every two minutes. Explanation: Sound signals let other boaters know where you are located during periods of restricted visibility, such as extreme fog. If you hear the fog signal of a vessel you cannot see, slow to a minimum speed until you are sure there is not a risk of collision. One prolonged blast plus two short blasts at intervals of not more than two minutes is the signal used by sailing vessels.