Five or more short and rapid blasts – Danger or doubt signal (I don’t understand your intent). Vessels indicate their intention to maneuver by using sound signals. If you do not agree with or understand clearly what the other vessel’s intentions are, you should sound the danger or doubt signal ( 5 short, rapid blasts ).
However once again I would say you should know the signals if you are sailing with the ships. Also often used by small boats: Generally 3 prolonged blasts ( 4 -6 seconds duration) are used to indicate a desire for locking through or for bridge opening. A short blast by the way is about 1 second.
There are six different signal horn blast patterns that you will hear on a cruise ship, though the sixth one I hope you will never hear! When in inland waters, this signal horn also means that the ship is changing course to port. Three Short Blasts – This signal blast means that the ship is backing away from the dock.
Changing Direction Two short blasts tell other boaters, “I intend to pass you on my right (starboard) side.”
It signals to others a change in status and that you are getting underway. One prolonged blast indicates you are getting under way, and three short blasts indicate you are backing up. This is what is sounded when you are departing a dock in reverse. Five Short Blasts – This is the DANGER signal.
A Sound Signal that Indicates Danger 5 Short Blasts. This horn signal indicates danger and can be used to communicate potential collision with another vessel.
While the terms boat and yacht are often used interchangeably, most agree that the term yacht is indeed applicable to any boat over 40 feet in length. Moreover, a 40 foot yacht often comes into focus for couples looking to do a bit more than simple day boating.
SHE: Why do they honk three times when they come into port? HE: They are signalling that they are coming home. There’s an old legend of Arturo, a Portuguese fisherman who met a beautiful girl when he came into port.
Restricted Visibility One prolonged blast is a warning signal (for example, used when coming around a blind bend or exiting a slip). Five or more short rapid blasts signal danger, or signal that you do not understand or that you disagree with the other boater’s intentions.
The use of appropriate foghorn sound signals in foggy conditions indicate whether the vessel is sailing or motoring, aground, or at anchor. Fog horn sound signals are either prolonged (four to six seconds) or short (one second). Under way but not making way: Two long horn blasts at two-minute intervals.
Because the green light is on the starboard (right) side of your boat, the red is the port (left). Two blasts from both means you will be passing on the starboard side. Men who work on the barges will say, ” one whistle side, or two whistle side,” when referring to which side they are passing, the port or starboard.
Two prolonged blasts followed by Two short blasts. I intend to overtake you on your Port side.
Whistles can only make one type of sound so to enable us to distinguish what is happening different numbers of whistle blasts mean different commands: • One short blast – to attract the attention of a member of the public • Two short blasts – to gain the attention of another lifeguard • Three short blasts – to indicate
If another vessel is approaching you from the port — or left — side of your boat, you have the right of way and should maintain your speed and direction. 2. If a vessel is aiming to cross your path and they ‘re on your starboard — or right — side, they have the right of way.
You should pass at a safe distance to the port (left) or starboard (right) side of the other boat. If a safe route exists, you should always attempt to pass the boat on the starboard side.