It means "Man overboard".
Note:
1 long blast = 5 or 6 seconds
1 short blast = 1 or 2 seconds
Three short blasts means "My engines are going Astern". (It doesn't necessarily mean that the ship itself is going astern).
you are altering your course to starboard
gat out of my way
They are indicating a dangerous situation exists
5 short blasts is a signal warning of imminent danger (or disagreement).
Five short blasts from a boat's horn typically signal danger or uncertainty about the intentions of another vessel. It is used to communicate that the vessel is unsure of the other boat's actions, often in crowded or congested waterways. This sound is part of the International Regulations for Preventing Collisions at Sea (COLREGs), which aim to enhance safety on the water.
Five short blasts on a horn in boating typically signal a warning or indicate that a vessel is unsure of another vessel's intentions, often in situations of restricted visibility or when navigating in close quarters. It can also mean that a vessel is backing up or has an emergency situation. This sound signal is part of the International Regulations for Preventing Collisions at Sea (COLREGs) and is important for maintaining safety on the water.
When two boats approach each other, they use horn blasts to signal the other about their intentions when it comes to moving to avoid collision. 5 short blasts indicates that the signaling boat is unsure about what the other boat is doing.
5 (or more) short blasts is the boating DANGER signal. It is mainly used when two vessels are approaching each other and the intent of the other vessel is unknown and/or may be dangerous to either vessel. A prudent captain will immediately slow down or stop when upon hearing this signal and take appropriate action.
Five short horn blasts on a boat typically indicate that the vessel is unsure of the other boat's intentions or that it is in a situation of potential danger. This sound signal is often used to communicate a lack of clarity in navigation or to warn other vessels of a possible collision. It's important for boaters to be aware of these signals to ensure safety on the water.
Five short blasts on a boat horn typically signal danger or uncertainty about another vessel's intentions, especially in situations where visibility is poor. It is a warning to others that the vessel may be operating in an unsafe manner or that the operator is unsure of the other boat's actions. This signal is part of the International Regulations for Preventing Collisions at Sea (COLREGs) to enhance maritime safety.
Five short blasts from another vessel's horn typically signal danger or a warning of an uncertain situation. It indicates that the vessel is unsure of the other vessel's intentions or maneuvers and is requesting clarification. In congested waters, it can also serve as a precautionary measure to alert nearby vessels of potential hazards. Always maintain vigilance and respond appropriately to such signals.
5 (or more) short blasts is the boating DANGER signal. It is mainly used when two vessels are approaching each other and the intent of the other vessel is unknown and/or may be dangerous to either vessel. A prudent captain will immediately slow down or stop when upon hearing this signal and take appropriate action.