We’ll explore the most common and vitally important light, shape, and sound signals to make sure you’re able to pick up and recognize them when the time is right. This is where lights, shapes, and sounds play a big role.īy using various lights, shapes, and sounds when out on the water, vessels and non-vessels are able to communicate whether there’s danger afoot, they need help, or simply telling you to get out of the way. However, sailing safety also requires knowledge in the various forms of communication between vessels and non-vessels. Sailing safety has a lot to do with proper preparedness, which means having the right gear, plan, experience, and mindset. While it might not be obvious what these mysterious modes of communication mean, they play a very important role in ensuring the safety and proper communication between vessels and non-vessels alike. You might be wondering what all those lights, shapes, and sounds that are either attached to a vessel or emanating from them. On radar or by sound signals they are not in sight of one another. Of one another when they can be see visually, if they are only detected It is possible to be underway but not making The term underway, means that the vessel is not attached to the bottom inĪny way, it does not imply that the vessel is proceeding through the This Local Notice to Mariners is issued jointly by the Queen's Harbour Master Portsmouth and The Harbour Master ABP Southampton. If the masters or skippers of vessels under 20m in length, sailing vessels or crossing vessels are in any doubt as to whether a particular vessel is indeed a vessel which can safely navigate only within a narrow channel or fairway or a vessel constrained by its draught, then they are always to give it the benefit of the doubt and treat it as such.ĥ. Submarines operating on the surface within the Dockyard Port of Portsmouth and the Port of Southampton are to be considered vessels who can safely navigate only within a narrow channel or fairway in accordance with Rule 9 (Narrow Channel) even when not showing the signals prescribed in Rule 28.Ĥ. three all-round red lights in a vertical line, or a cylinder, in order to be afforded the privileges of Rules 8(f)(i) and (ii) (Actions to avoid collision), 9 (Narrow channels) and/or 18(d)(i) (Responsibilities between vessels when one is constrained by draught).ģ. Save for the exception at Paragraph 3 below these vessels, when so constrained, are all to show the signals prescribed in Rule 28 of the International Regulations for Preventing Collision at Sea, i.e. Mariners are advised that many warships and merchant vessels (including ferries) operating within the Dockyard Port of Portsmouth and the Port of Southampton are at various times "vessels constrained by their draught or vessels who can safely navigate only within a narrow channel or fairway."Ģ. Remembering that there may be local variations to the rules, in the Solent there is an Local Notice to Mariners in force regarding vessels Constrained by their Draught:ġ. Any other ships, withĪ lesser draught would not be restricted to the same part of the channel May have a draught of 20m, and the part of the channel which is suitableįor a vessel of this draught is very narrow. May be a laden tanker passing through the Dover Straits. Is only a power-driven vessel which has exceptional draught. That because of the special type of work it is performing that itĬan not manoeuvre as might otherwise be expected.
The term vessel restricted in ability to manoeuvre,ĭoes not imply that the vessel is damaged in any way. Many of the unexpected situations which may arise and cause a vessel Prudent skipper will give them a wide berth.Ī vessel not under command is probably a vessel which has suffered a major equipmentįailure and has stopped to repair it. Small craft are wise to assume all fishing vessels they see are "vesselsĮngaged in fishing" for the sake of applying the rules, and a Lower the shapes which indicate that they are fishing. Vessel and be unable to decide if it is fishing, because they rarely When we apply the rules for the interaction which takes place when twoĪ sailing vessel is a vessel only propelled by sails, once the engine isĮngaged it becomes a power-driven vessel.Ī vessel engaged in fishing is only one which is restricted by it's equipment, and does
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