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What does one prolonged blast plus one short blast signal to a river lock attendant in a boat?
Vessel operators can alert the lock attendant of their request to transit through the lock by sounding one prolonged blast followed by one short blast
What sound signal tells a river lock attendant you wish to go through the lock?
One prolonged blast followed by one short blast.
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.
What sound signal alert others that a vessel is leaving the dock?
one prolonged blast
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.
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 does one long blast followed by one short blast signal to a river lock attendant?
it means you want to ask to go through the lock
When a Sailboat is underway in the fog what sound signal should you here?
One prolonged blast plus two short blasts every two minutes
One prolonged blast plus one short?
One prolonged followed by one short is NOT a signal defined by International Regulations for Preventing Collisions at Sea, 1972 (72COLREGS). Unless you are are leaving a dock or berth (one prolonged) then immediately arranging a port to port passage. Unless that is the case there is no such thing as 1 prolonged followed by 1 short.
What does 1 prolonged blast and 2 short blast of boat whistle mean?
Runaway ship
What does one short blast one long blast one short blast mean?
The sound signal short-long-short is an optional, additional signal made by a vessel at anchor in restricted visibility. The signal may be made by such a vessel in addition to her required sound signal to give warning of her position and of the possibility of collision to an approaching vessel.Collision Regulations 35(g)
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.
