Under the Act for Preventing Collisions at Sea, there are rules for the navigation and indication for every vessel. They include a rule that forbids the engine-equipped vessels that are less than 20m in length to interfere other vessels navigation in narrow channels.
RRG Categorie: Operating Limits
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Japan – Operating Limits
USA – Operating Limits
Speed and area restrictions, as well as requirements concerning the wear of engine cut off lanyards, vary according to state level regulation. For a detailed table of all these, please visit http://www.nasbla.net/referenceguide/index.php?queryID=4.8. The US Coast Guard (USCG) is currently working on a requirement for recreational boats to be equipped with engine cut off lanyards.
Italy – Operating Limits
PWC must to navigate within 1 mile from the coast. Regional and local authorities rule about navigation and speed limits. Operating limits depend on design category and safety equipment on board. Design category is considered for actual weather conditions apart from the distance from the coast.
Estonia – Operating Limits
Speed restrictions as well as any local applicable area restrictions (including restrictions on waste water discharge and fuel supply in environmentally sensitive areas)On lakes under 100ha and rivers narrower than 10m fuel engines are allowed only for governmental survey, resque or surveillance purposes https://www.riigiteataja.ee/akt/104072019005?dbNotReadOnly=true Prevention of Discharge of Pollutants from Ships into Sea and Requirements for Ballast Water are regulated by Water Act: https://www.riigiteataja.ee/en/eli/ee/527122019007/consolide/currentWhat type of craft or engines are impacted by these restrictions? (For example PWC or above a certain HP for an outboard engine)Restrictions are same for all watercraft, but could affect sailing and motor boats differently (e.g. 15 knots speed limit)
Singapore – Operating Limits
Speed restrictions as well as any local applicable area restrictions (including restrictions on waste water discharge and fuel supply in environmentally sensitive areas)MPA publishes its own navigation charts showing prohibited areas, anchorages, chipping channels, etcWhat type of craft or engines are impacted by these restrictions? (For example PWC or above a certain HP for an outboard engine)Abv applies to all craft with engines. In addition PWC must stay 500m off the coast for the safety of swimmers
Hong Kong – Operating Limits
https://www.mardep.gov.hk/en/notices/pdf/mdn22057.pdf
United Kingdom – Operating Limits
Speed restrictions as well as any local applicable area restrictions (including restrictions on waste water discharge and fuel supply in environmentally sensitive areas)INLAND – Different inland navigation authorities will set different speed restrictions on their waterways. Here is an example for the non tidal Thames, managed by the Environment Agency https://www.gov.uk/guidance/river-thames-distances-and-measurements-for-…COASTAL – Each Harbour authority will set speed restrictions. Once you are out of the Harbour Authorities jurisdiction there are no speed limits. For example, Poole Harbour Commissioners set the following speed limits – https://www.phc.co.uk/wp-content/uploads/2021/03/2021-12-Poole-Harbour-S…. In some Marine Conservation Zones or Marine Protected areas, there may be byelaws on speed restrictions – See example for Skomer MCZ https://naturalresources.wales/guidance-and-advice/environmental-topics/…