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- America’s Cup 2027: Naples, new rules, and a reset that might stick (12th August 2025)
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- Buoyage Made Easy: The UK Guide to IALA Region A (with clear examples) (15th August 2025)
- Choosing Your First UK Sailing Course: From Free Starters to Day Skipper (14th August 2025)
- Clouds, Wind, and Weather Trends: Spotting Changes at Sea (24th July 2025)
- Cold Enough to Freeze the Balls Off a Brass Monkey (24th January 2025)
- Digital Passage Plans for Inspection: What an RYA Instructor Likes to See (12th November 2025)
- Do COLREGs apply to jet skis? (26th November 2023)
- Do I Need a Licence to Skipper a Yacht? (24th February 2025)
- Don't put all your eggs in one basket! (27th September 2024)
- Fastnet ’79: Safety Lessons We Still Use Today (and the night it all went wrong) (15th August 2025)
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- Happy 100th broadcast birthday to the Shipping Forecast: Still relevant today? (1st January 2024)
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- Navigating with Waypoints: Maximising Your Chart Plotter’s Potential (27th May 2025)
- Online vs Classroom: Which RYA Theory Format Suits You? (17th August 2025)
- Paper charts are dead. Long live paper charts! (18th August 2024)
- Pass Your RYA Day Skipper Theory First Time (8th August 2025)
- Passage Planning: Understanding APEM (6th May 2025)
- Reefing Right: When to Reduce Sail (and by How Much) (28th August 2025)
- RYA Day Skipper Theory Syllabus — Explained in Plain English (16th August 2025)
- RYA theory exam invigilation, explained (21st October 2025)
- Sailing Into a More Inclusive Future (5th August 2025)
- Sailing the Ionian: A Lazy Cruiser’s Dream Route (Even If You’ve Never Sailed Before) (18th April 2025)
- Skipper’s Debrief: Turn Every Trip into a Better One (15th September 2025)
- Smooth Sailing or Choppy Waters? (12th October 2023)
- Star-Gazing for the Sea-Faring Soul (11th February 2025)
- Steering the Best Course to Windward — a practical guide (29th September 2025)
- Taking Your Boat to France: A Calm, Practical Guide to Extending Your Cruising Ground (3rd September 2025)
- Talking the Talk: Sailing Lingo Every Sailor Should Know (27th March 2025)
- The Calm Before the Storm: Reading the Synoptic Charts Behind “Amy” (2nd October 2025)
- The Clipper Race Goes Global: Stitching Diversity into UK Sailing’s Fabric (21st August 2025)
- The CND Logo: A Nautical-Inspired Symbol of Peace and Protest (7th March 2025)
- The History of the IALA Buoyage System (7th July 2024)
- The New Digital-First RYA Approach: What It Means for Students (22nd August 2025)
- Tide Basics for Beginners: Heights, Streams, and Diamond Data (20th August 2025)
- Time Travel is Real, and It’s in the Bering Strait (3rd February 2025)
- Understanding the Complex Dance of Atmospheric Forces: What Causes Weather? (3rd December 2023)
- VHF Marine Radio License Guide: Get Your UK VHF Marine Radio License (13th August 2025)
- Weather Windows: Interpreting Forecasts for a Safe Day Out (26th August 2025)
- What Happens on the Day Skipper Practical Course? (20th July 2025)
- Wind Over Tide: Why It Feels Horrible (and What To Do) (13th September 2025)
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- You are not going bananas! (21st July 2024)
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Glossary
- 2 - Two (Too) (25th October 2024)
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- ANNEX I: Positioning and Technical Details of Lights and Shapes (21st December 2024)
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- ANNEX IV: Distress Signals (21st December 2024)
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- Dinghy Level 1 - Start Sailing (4th February 2025)
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- Geometric Dilution of Precision (25th October 2024)
- German Bight (21st July 2025)
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- International Association of Lighthouse Authorities (25th October 2024)
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- Keelboat Club Racing (4th February 2025)
- Keelboat Day Sailing (4th February 2025)
- Keelboat Level 1 - Start Sailing (4th February 2025)
- Keelboat Level 2 - Basic Skills (4th February 2025)
- Keelboat Level 3 - Better Sailing (4th February 2025)
- Keelboat Performance Sailing (4th February 2025)
- Keelboat Regional Racing (4th February 2025)
- Keelboat Sailing with Spinnakers (4th February 2025)
- Keelboat Seamanship Skills (4th February 2025)
- Keelboat Start Racing (4th February 2025)
- Ketch (25th October 2024)
- Kicking Strap (25th October 2024)
- Kilo (25th October 2024)
- Knot (14th November 2024)
- Knot (25th October 2024)
- Land Breeze (1st June 2025)
- Landfall (25th October 2024)
- Lanyard (25th October 2024)
- Lash Down (25th October 2024)
- Lateral Mark (25th October 2024)
- Latitude (25th October 2024)
- Lazarette (25th October 2024)
- Lazy Jacks (25th October 2024)
- Leading Lights (25th October 2024)
- Leadline (25th October 2024)
- League (25th October 2024)
- Learn to Wingsurf (4th February 2025)
- Lee (25th October 2024)
- Lee-oh! (25th October 2024)
- Leech (25th October 2024)
- Leeshore (25th October 2024)
- Leeward (25th October 2024)
- Leeway (25th October 2024)
- Leg (25th October 2024)
- Length Overall (25th October 2024)
- Letter A (Flag Semaphore) (26th October 2024)
- Letter A (Morse Code) (24th December 2024)
- Letter B (Flag Semaphore) (26th October 2024)
- Letter B (Morse Code) (25th December 2024)
- Letter C (Flag Semaphore) (1st November 2024)
- Letter C (Morse Code) (25th December 2024)
- Letter D (Flag Semaphore) (26th October 2024)
- Letter D (Morse Code) (25th December 2024)
- Letter E (Flag Semaphore) (26th October 2024)
- Letter E (Morse Code) (25th December 2024)
- Letter F (Flag Semaphore) (26th October 2024)
- Letter F (Morse Code) (25th December 2024)
- Letter G (Flag Semaphore) (26th October 2024)
- Letter G (Morse Code) (25th December 2024)
- Letter H (Flag Semaphore) (26th October 2024)
- Letter H (Morse Code) (25th December 2024)
- Letter I (Flag Semaphore) (26th October 2024)
- Letter I (Morse Code) (25th December 2024)
- Letter J (Flag Semaphore) (26th October 2024)
- Letter J (Morse Code) (25th December 2024)
- Letter K (Flag Semaphore) (26th October 2024)
- Letter K (Morse Code) (25th December 2024)
- Letter L (Flag Semaphore) (26th October 2024)
- Letter L (Morse Code) (25th December 2024)
- Letter M (Flag Semaphore) (26th October 2024)
- Letter M (Morse Code) (25th December 2024)
- Letter N (Flag Semaphore) (26th October 2024)
- Letter N (Morse Code) (25th December 2024)
- Letter O (Flag Semaphore) (26th October 2024)
- Letter O (Morse Code) (25th December 2024)
- Letter P (Flag Semaphore) (26th October 2024)
- Letter P (Morse Code) (25th December 2024)
- Letter Q (Flag Semaphore) (26th October 2024)
- Letter Q (Morse Code) (25th December 2024)
- Letter R (Flag Semaphore) (26th October 2024)
- Letter R (Morse Code) (25th December 2024)
- Letter S (Flag Semaphore) (26th October 2024)
- Letter S (Morse Code) (25th December 2024)
- Letter T (Flag Semaphore) (26th October 2024)
- Letter T (Morse Code) (25th December 2024)
- Letter U (Flag Semaphore) (26th October 2024)
- Letter U (Morse Code) (25th December 2024)
- Letter V (Flag Semaphore) (26th October 2024)
- Letter V (Morse Code) (25th December 2024)
- Letter W (Flag Semaphore) (26th October 2024)
- Letter W (Morse Code) (25th December 2024)
- Letter X (Flag Semaphore) (26th October 2024)
- Letter X (Morse Code) (25th December 2024)
- Letter Y (Flag Semaphore) (26th October 2024)
- Letter Y (Morse Code) (25th December 2024)
- Letter Z (Flag Semaphore) (26th October 2024)
- Letter Z (Morse Code) (25th December 2024)
- Letters to Follow (Flag Semaphore) (27th October 2024)
- Level 1 Start Powerboating (PB1) (4th February 2025)
- Level 2 Powerboat Handling (PB2) (4th February 2025)
- Life Jacket (19th March 2025)
- Lifeline (25th October 2024)
- Liferaft (25th October 2024)
- Lighthouse (25th October 2024)
- Lima (25th October 2024)
- Line (25th October 2024)
- Lines of Position (20th March 2025)
- List (25th October 2024)
- Listing (19th February 2025)
- Local Notice to Mariners (25th October 2024)
- Lock (25th October 2024)
- Locker (25th October 2024)
- Log Line (14th November 2024)
- Log Reading (25th October 2024)
- Logbook (25th October 2024)
- Longitude (25th October 2024)
- Look-out (25th October 2024)
- Lose Way (25th October 2024)
- Lowest Astronomical Tide (25th October 2024)
- Lubber Line (25th October 2024)
- Luff (25th October 2024)
- Luff Up (25th October 2024)
- Lull (25th October 2024)
- Lundy (21st July 2025)
- Magnetic North (25th October 2024)
- Mail Sail (25th October 2024)
- Mainsail (25th October 2024)
- Mainsheet Traveller (25th October 2024)
- Make Fast (25th October 2024)
- Making Way (25th October 2024)
- Malin (21st July 2025)
- Man Overboard (26th March 2025)
- Marina (25th October 2024)
- Marine Accident and Investigation Branch (4th November 2024)
- Marine Radio VHF (SRC) (4th February 2025)
- Maritime and Coastguard Agency (25th October 2024)
- Maritime Mobile Service Identity (25th October 2024)
- Maritime Rescue Coordination Centre (15th January 2025)
- Maritime Safety Information (25th October 2024)
- Mast (25th October 2024)
- Mast Step (25th October 2024)
- Masthead light (25th October 2024)
- MayDay (25th October 2024)
- Mean High Water Neaps (25th October 2024)
- Mean High Water Springs (25th October 2024)
- Mean Low Water Neaps (25th October 2024)
- Mean Low Water Springs (25th October 2024)
- Medium Frequency (15th January 2025)
- Met Office (21st July 2025)
- Mike (25th October 2024)
- Mist (25th October 2024)
- Mistral (15th July 2025)
- Mizzen Mast (25th October 2024)
- Mole (25th October 2024)
- Monohull (25th October 2024)
- Mooring (25th October 2024)
- Mooring Buoy (25th October 2024)
- Mooring Ring (25th October 2024)
- Motor sailing (25th October 2024)
- Multihull Club Racing (4th February 2025)
- Multihull Day Sailing (4th February 2025)
- Multihull Level 1 - Start Sailing (4th February 2025)
- Multihull Level 2 - Basic Skills (4th February 2025)
- Multihull Level 3 - Better Sailing (4th February 2025)
- Multihull Performance Sailing (4th February 2025)
- Multihull Regional Racing (4th February 2025)
- Multihull Sailing With Spinnakers (4th February 2025)
- Multihull Seamanship Skills (4th February 2025)
- Multihull Start Racing (4th February 2025)
- National Oceanic and Atmospheric Administration (25th October 2024)
- Nautical Almanac (25th October 2024)
- Nautical Mile (25th October 2024)
- Navigation Lights (25th October 2024)
- Navigational Telex (25th October 2024)
- Neap Range (25th October 2024)
- Neap Tide (25th October 2024)
- Near Gale (25th October 2024)
- Non-Directional Beacon (15th January 2025)
- North Atlantic Treaty Organization (25th October 2024)
- North Utsire (21st July 2025)
- Northern Lighthouse Board (4th November 2024)
- Not Under Command (25th October 2024)
- Notice to Mariners (25th October 2024)
- November (25th October 2024)
- Number 0 (Flag Semaphore) (1st November 2024)
- Number 0 (Morse Code) (25th December 2024)
- Number 1 (Flag Semaphore) (1st November 2024)
- Number 1 (Morse Code) (25th December 2024)
- Number 2 (Flag Semaphore) (27th October 2024)
- Number 2 (Morse Code) (25th December 2024)
- Number 3 (Flag Semaphore) (26th October 2024)
- Number 3 (Morse Code) (25th December 2024)
- Number 4 (Flag Semaphore) (1st November 2024)
- Number 4 (Morse Code) (25th December 2024)
- Number 5 (Flag Semaphore) (1st November 2024)
- Number 5 (Morse Code) (25th December 2024)
- Number 6 (Flag Semaphore) (1st November 2024)
- Number 6 (Morse Code) (25th December 2024)
- Number 7 (Flag Semaphore) (1st November 2024)
- Number 7 (Morse Code) (25th December 2024)
- Number 8 (Flag Semaphore) (1st November 2024)
- Number 8 (Morse Code) (25th December 2024)
- Number 9 (Flag Semaphore) (1st November 2024)
- Number 9 (Morse Code) (25th December 2024)
- Numeral 0 (Flag Pennant) (25th October 2024)
- Numeral 1 (Flag Pennant) (25th October 2024)
- Numeral 2 (Flag Pennant) (27th December 2024)
- Numeral 3 (Flag Pennant) (27th December 2024)
- Numeral 4 (Flag Pennant) (28th December 2024)
- Numeral 5 (Flag Pennant) (28th December 2024)
- Numeral 6 (Flag Pennant) (28th December 2024)
- Numeral 7 (Flag Pennant) (28th December 2024)
- Numeral 8 (Flag Pennant) (28th December 2024)
- Numeral 9 (Flag Pennant) (28th December 2024)
- Numeral Pennant (2nd January 2025)
- Numerals-Numbers Follow (Flag Semaphore) (26th October 2024)
- Occulting (25th October 2024)
- Ocean Data Acquisition System (25th October 2024)
- Officer of the Watch (27th March 2025)
- Offshore (25th October 2024)
- Offshore Personal Survival (RYA/World Sailing) (4th February 2025)
- Oilskins (25th October 2024)
- On the Port Bow (25th October 2024)
- On the Port Quarter (25th October 2024)
- On the Starboard Bow (25th October 2024)
- On the Starboard Quarter (25th October 2024)
- Onshore (25th October 2024)
- Oscar (25th October 2024)
- Outhaul (25th October 2024)
- Overfalls (25th October 2024)
- Overhand loop (25th October 2024)
- Painter (25th October 2024)
- Pan Pan (25th October 2024)
- Papa (25th October 2024)
- Parachute Flare (19th March 2025)
- Parallel Rules (25th October 2024)
- Passage (25th October 2024)
- Passage Plan (20th March 2025)
- Pay Off (25th October 2024)
- Pay Out (25th October 2024)
- Perling (4th June 2025)
- Personal Flotation Device (8th January 2026)
- Personal Locator Beacon (25th October 2024)
- Personal Watercraft Proficiency (4th February 2025)
- Phonetic Alphabet (25th October 2024)
- Pile (25th October 2024)
- Pilot (25th October 2024)
- Pilotage (25th October 2024)
- Pinch (25th October 2024)
- Pipe down (25th October 2024)
- Pitch (25th October 2024)
- Pitch Pole (4th June 2025)
- Plot (25th October 2024)
- Plymouth (21st July 2025)
- Pontoon (25th October 2024)
- Pooped (25th October 2024)
- Port (25th October 2024)
- Port (26th March 2025)
- Port Beam (25th October 2024)
- Port Bow (25th October 2024)
- Port of Registry (25th October 2024)
- Port Quarter (25th October 2024)
- Port Tack (25th October 2024)
- Porthole (25th October 2024)
- Portland (21st July 2025)
- Portland Plotter (25th October 2024)
- Position Dilution of Precision (25th October 2024)
- Powerboat Advanced (4th February 2025)
- Powerboat Intermediate (4th February 2025)
- Pratique (2nd January 2025)
- Precipitation (25th October 2024)
- Press Gangs (25th October 2024)
- Pressed into service (25th October 2024)
- Prevailing Wind (25th October 2024)
- Preventer (25th October 2024)
- Prime Meridian (14th November 2024)
- Procedure Words (20th July 2025)
- Professional Practices and Responsibilities (4th February 2025)
- Propeller (25th October 2024)
- Propeller Shaft (25th October 2024)
- Propeller Walk (25th October 2024)
- Propeller Wash (19th February 2025)
- Pulpit (25th October 2024)
- Pushpit (25th October 2024)
- Pyrotechnic (25th October 2024)
- Q Flag (25th October 2024)
- Quarter Berth (25th October 2024)
- Quebec (25th October 2024)
- Race (25th October 2024)
- Racing Rules of Sailing (25th October 2024)
- Radar (25th October 2024)
- Radar Reflector (25th October 2024)
- Radio Medical Advice Link Call (15th January 2025)
- Raft (25th October 2024)
- Range of Tide (25th October 2024)
- Raster chart (25th October 2024)
- Rate (Tidal Stream) (25th October 2024)
- Reach (25th October 2024)
- Reaching (25th October 2024)
- Ready (Flag Semaphore) (26th October 2024)
- Ready About (25th October 2024)
- Ready to Recieve (Flag Semaphore) (18th December 2024)
- Reef (25th October 2024)
- Reefing (25th October 2024)
- Reefing Hook (25th October 2024)
- Reefing Lines (25th October 2024)
- Rest (Flag Semaphore) (1st November 2024)
- Restricted in Ability to Manoeuvre (25th October 2024)
- Restricted Visibility (25th October 2024)
- Rhumb Line (25th October 2024)
- Riding Turn (25th October 2024)
- Rigging (25th October 2024)
- Rigging (25th October 2024)
- Rigid Inflatable Boat (25th October 2024)
- Risk of Collision (25th October 2024)
- Rockall (21st July 2025)
- Rode (25th October 2024)
- Roller Furling (25th October 2024)
- Roller Reef (25th October 2024)
- Romeo (25th October 2024)
- Round Up (25th October 2024)
- Roving Fender (25th October 2024)
- Royal National Lifeboat Institution (25th October 2024)
- Royal Yachting Association (24th February 2025)
- Rudder (25th October 2024)
- Rudder Stock (25th October 2024)
- Rule 1: Application (25th October 2024)
- Rule 10: Traffic Separation Schemes (25th October 2024)
- Rule 11: Application (25th October 2024)
- Rule 12: Sailing vessels (25th October 2024)
- Rule 13: Overtaking (25th October 2024)
- Rule 14: Head-on situation (25th October 2024)
- Rule 15: Crossing situation (25th October 2024)
- Rule 16: Action by give-way vessel (25th October 2024)
- Rule 17: Action by stand-on vessel (25th October 2024)
- Rule 18: Responsibilities between vessels (25th October 2024)
- Rule 19: Conduct of vessels in restricted visibility (25th October 2024)
- Rule 2: Responsibility (25th October 2024)
- Rule 20: Application (25th October 2024)
- Rule 21: Definitions (25th October 2024)
- Rule 22: Visibility of lights (25th October 2024)
- Rule 23: Power-driven vessels underway (25th October 2024)
- Rule 24: Towing and pushing (25th October 2024)
- Rule 25: Sailing vessels underway and vessels under oars (25th October 2024)
- Rule 26: Fishing vessels (25th October 2024)
- Rule 27: Vessel not under command or restricted in their ability to manoeuvre (25th October 2024)
- Rule 28: Vessel constrained by their draught (25th October 2024)
- Rule 29: Pilot vessels (25th October 2024)
- Rule 3: General definitions (25th October 2024)
- Rule 30: Anchored vessels and vessels aground (25th October 2024)
- Rule 31: Seaplanes (25th October 2024)
- Rule 32: Definitions (25th October 2024)
- Rule 33: Equipment for sound signals (25th October 2024)
- Rule 34: Manoeuvring and warning signals (25th October 2024)
- Rule 35: Sound signals in restricted visibility (25th October 2024)
- Rule 36: Sound signals to attract attention (25th October 2024)
- Rule 37: Distress signals (25th October 2024)
- Rule 38: Exemptions (25th October 2024)
- Rule 39: Definitions (25th October 2024)
- Rule 4: Application (25th October 2024)
- Rule 40: Application (25th October 2024)
- Rule 41: Verification of Compliance (25th October 2024)
- Rule 5: Look-out (25th October 2024)
- Rule 6: Safe speed (25th October 2024)
- Rule 7: Risk of collision (25th October 2024)
- Rule 8: Action to avoid collision (25th October 2024)
- Rule 9: Narrow channels (25th October 2024)
- Run (25th October 2024)
- Running (26th March 2025)
- Running Backstay (9th November 2024)
- Running Fix (25th October 2024)
- Running Rigging (25th October 2024)
- RYA DofE Centre (4th February 2025)
- RYA Handy Plotter (30th October 2025)
- RYA Training Almanac (25th October 2024)
- RYA Training Chart (25th October 2024)
- RYA/MCA Advanced Powerboat Exam (4th February 2025)
- RYA/MCA Yachtmaster Coastal Motor Exam (4th February 2025)
- RYA/MCA Yachtmaster Coastal Sail Exam (4th February 2025)
- RYA/MCA Yachtmaster Ocean Exam (4th February 2025)
- RYA/MCA Yachtmaster Offshore Motor Exam (4th February 2025)
- RYA/MCA Yachtmaster Offshore Sail Exam (4th February 2025)
- S-100 Universal Hydrographic Data Model (10th January 2025)
- Sacrificial Anode (25th October 2024)
- Safe and Fun Safeguarding (4th February 2025)
- Safe Water Mark (25th October 2024)
- Safety Boat (4th February 2025)
- Safety of Life at Sea (25th October 2024)
- Saffir–Simpson Hurricane Wind Scale (25th October 2024)
- Sail Drive (25th October 2024)
- Sail Locker (25th October 2024)
- Sail Ties (25th October 2024)
- Saildrive (25th October 2024)
- Sailing Directions (25th October 2024)
- Salinity (25th October 2024)
- Saloon (25th October 2024)
- Scope (25th October 2024)
- Scupper (25th October 2024)
- Sea Anchor (25th October 2024)
- Sea Breeze (25th October 2024)
- Seacock (25th October 2024)
- Sealegs (25th October 2024)
- Search and Rescue (25th October 2024)
- Search and Rescue Transponder (19th February 2025)
- Second Substitute (ICS Flag) (28th December 2024)
- Secondary Port (25th October 2024)
- Sector Light (25th October 2024)
- Sécurité (25th October 2024)
- Semaphore (1st November 2024)
- Semi-Displacement Vessel (25th October 2024)
- Send (25th October 2024)
- Set (25th October 2024)
- Set (25th October 2024)
- Set Sail (25th October 2024)
- Shackle (25th October 2024)
- Shaft Drive (25th October 2024)
- Shaftdrive (25th October 2024)
- Shank (7th January 2026)
- Shannon (21st July 2025)
- Sheet (25th October 2024)
- Shipping Forecast (25th October 2024)
- Shipping Lane (25th October 2024)
- Shipshape (25th October 2024)
- Shoal (25th October 2024)
- Shock Cord (25th October 2024)
- Shorten Sail (25th October 2024)
- Shroud (25th October 2024)
- Side Deck (25th October 2024)
- Sierra (25th October 2024)
- Sill (25th October 2024)
- Skeg (25th October 2024)
- Slab Reef (25th October 2024)
- Slack Off (25th October 2024)
- Slack Water (25th October 2024)
- Slam (25th October 2024)
- Slide (25th October 2024)
- Slip Lines (28th May 2025)
- Slipped Lines (28th May 2025)
- Slipway (25th October 2024)
- Sloop (25th October 2024)
- Slot (25th October 2024)
- Small Vessel Electronic Chart Systems (14th January 2025)
- Snatch (25th October 2024)
- Snug Down (25th October 2024)
- SOLAS V (25th October 2024)
- Sole (25th October 2024)
- Sole boards (25th October 2024)
- SOS (25th October 2024)
- Sou’wester (25th October 2024)
- Sound (25th October 2024)
- Sounding (25th October 2024)
- South Utsire (21st July 2025)
- Southeast Iceland (21st July 2025)
- Space (Flag Semaphore) (1st November 2024)
- Spar (25th October 2024)
- Speed Made Good (25th October 2024)
- Speed Over Ground (25th October 2024)
- Speed Through Water (22nd August 2025)
- Spill Wind (25th October 2024)
- Spinnaker (25th October 2024)
- Spinnaker Pole (25th October 2024)
- Spit (25th October 2024)
- Splice (25th October 2024)
- Sportbootführerschein (24th February 2025)
- Sportbootführerschein Binnen (24th February 2025)
- Sportbootführerschein See (24th February 2025)
- Sportküstenschifferschein (24th February 2025)
- Sports Boat (25th October 2024)
- Spray Hood (25th October 2024)
- Spreaders (25th October 2024)
- Spring Range (25th October 2024)
- Spring Tide (25th October 2024)
- Springs (25th October 2024)
- Squall (25th October 2024)
- Stanchion (25th October 2024)
- Stand by to Gybe (25th October 2024)
- Stand Off (25th October 2024)
- Stand On (25th October 2024)
- Standard Marine Communication Phrases (20th July 2025)
- Standard Port (25th October 2024)
- Standing End (25th October 2024)
- Standing part (25th October 2024)
- Standing Rigging (25th October 2024)
- Starboard (25th October 2024)
- Starboard Beam (25th October 2024)
- Starboard Bow (25th October 2024)
- Starboard Quarter (25th October 2024)
- Starboard Tack (25th October 2024)
- Start Motor Cruising (4th February 2025)
- Start Windsurfing (4th February 2025)
- Start Yachting (4th February 2025)
- Statute Mile (14th November 2024)
- Stay (25th October 2024)
- Steady (25th October 2024)
- Steaming (25th October 2024)
- Steering Compass (25th October 2024)
- Steering Quadrant (8th January 2026)
- Stem (25th October 2024)
- Stern (25th October 2024)
- Stern Drive (25th October 2024)
- Stern Light (25th October 2024)
- Stern Line (25th October 2024)
- Stern Spring (11th February 2025)
- Stock (7th January 2026)
- Stopper Knot (25th October 2024)
- Storm (25th October 2024)
- Storm Jib (25th October 2024)
- Stove (25th October 2024)
- Stow (25th October 2024)
- Superbuoy (25th October 2024)
- Swashway (25th October 2024)
- Swinging Room (25th October 2024)
- Symetric Spinnaker (29th September 2025)
- Synoptic Chart (25th October 2024)
- Syzygy (1st June 2025)
- Tack (26th March 2025)
- Tack (25th October 2024)
- Tacking (25th October 2024)
- Take In (25th October 2024)
- Take the Helm (25th October 2024)
- Tango (25th October 2024)
- Tell Tales (25th October 2024)
- Tender (25th October 2024)
- Tender Operator (4th February 2025)
- Thames (21st July 2025)
- The Bitter End (25th October 2024)
- The Challenger of Record (25th October 2024)
- The Royal Institution of Naval Architects (4th November 2024)
- Third Substitute (ICS Flag) (28th December 2024)
- Three sheets to the wind (26th March 2025)
- Tidal Stream (25th October 2024)
- Tidal Stream Atlas (25th October 2024)
- Tide (25th October 2024)
- Tide Tables (25th October 2024)
- Tiller (25th October 2024)
- Time Dilution of Precision (25th October 2024)
- Time to Closest Point of Approach (25th October 2024)
- Time to Go (25th October 2024)
- Time Zone (25th October 2024)
- Toe Rail (25th October 2024)
- Tomasz Schafernaker (25th October 2024)
- Topping Lift (25th October 2024)
- Topsides (25th October 2024)
- Trafalgar (21st July 2025)
- Traffic Separation Scheme (25th October 2024)
- Transit (25th October 2024)
- Transom (25th October 2024)
- Traveller (25th October 2024)
- Tri-colour Light (25th October 2024)
- Trim (25th October 2024)
- Trim Tabs (25th October 2024)
- Trimaran (25th October 2024)
- Trinity House (4th November 2024)
- Tropical Hurricane (25th October 2024)
- True North (25th October 2024)
- True Wind (25th October 2024)
- Turn (25th October 2024)
- Tyne (21st July 2025)
- U.S. Coast Guard (14th November 2024)
- UK Hydrographic Office (11th February 2025)
- UKMO Global (10th November 2025)
- Ultraviolet (25th October 2024)
- Under the Weather (25th October 2024)
- Underhand loop (25th October 2024)
- Underway (25th October 2024)
- Uniform (25th October 2024)
- United Kingdom Variable-resolution model (10th November 2025)
- United Nations (15th November 2024)
- United States Naval Observatory (11th February 2025)
- Unlucky Bananas (25th October 2024)
- Vang (25th October 2024)
- Vanishing Angle (25th October 2024)
- Variation (25th October 2024)
- Vector Chart (25th October 2024)
- Velocity Made Good (25th October 2024)
- Vertical Dilution of Precision (25th October 2024)
- Very High Frequency (25th October 2024)
- Vessel (25th October 2024)
- Vessel Traffic Service (24th February 2025)
- VHF Radio (19th March 2025)
- Victor (25th October 2024)
- Victualling (25th October 2024)
- Viking (21st July 2025)
- Violent Storm (25th October 2024)
- Wake (25th October 2024)
- Warp (25th October 2024)
- Wash (25th October 2024)
- Wash Boards (25th October 2024)
- Watch (25th October 2024)
- Water Track (25th October 2024)
- Waterline length (25th October 2024)
- Way (25th October 2024)
- Waypoint (25th October 2024)
- Weather Helm (25th October 2024)
- Weigh Anchor (25th October 2024)
- Wheel (25th October 2024)
- Whipping (25th October 2024)
- Whisker (25th October 2024)
- Whiskey (25th October 2024)
- White Horses (25th October 2024)
- Whole Gale (25th October 2024)
- Wight (21st July 2025)
- Winch (25th October 2024)
- Winch Handle (25th October 2024)
- Windage (25th October 2024)
- Windlass (25th October 2024)
- Windsurfing Advanced Racing (4th February 2025)
- Windsurfing Foiling First Flights (4th February 2025)
- Windsurfing Foiling Performance Flights (4th February 2025)
- Windsurfing Foiling Sustained Flights (4th February 2025)
- Windsurfing Intermediate Racing (4th February 2025)
- Windsurfing Start Racing (4th February 2025)
- Windward (25th October 2024)
- Wingfoiling First Flights (4th February 2025)
- Wingfoiling Sustained Flights (4th February 2025)
- Working End (25th October 2024)
- World Geodetic System 1984 (25th October 2024)
- World Meteorological Organization (10th November 2025)
- World Sailing (25th October 2024)
- X-Ray (25th October 2024)
- Yacht (25th October 2024)
- Yachtmaster Ocean Theory (4th February 2025)
- Yankee (25th October 2024)
- Yard (25th October 2024)
- Yatchsman's Gale (25th October 2024)
- Yawl (25th October 2024)
- Youth Sailing Scheme - Start Sailing Stage 1 (4th February 2025)
- Youth Sailing Scheme - Start Sailing Stage 2 (4th February 2025)
- Youth Sailing Scheme - Start Sailing Stage 3 (4th February 2025)
- Youth Sailing Scheme - Start Sailing Stage 4 (4th February 2025)
- Youth Sailing Scheme Start Racing (4th February 2025)
- Youth Windsurfing Stage 1 (4th February 2025)
- Youth Windsurfing Stage 2 (4th February 2025)
- Youth Windsurfing Stage 3 (4th February 2025)
- Youth Windsurfing Stage 4 (4th February 2025)
- Zulu (25th October 2024)
Downloads
- Adjustments for Deviation (17th November 2022)
- Adjustments for Variation (5th June 2021)
- Barometric Pressure Change Meanings (29th May 2021)
- Beaufort Scale (30th April 2021)
- Calculating Variation (29th January 2022)
- Chart Annotations (9th February 2021)
- Charted Example: Traffic Separation Scheme (6th December 2025)
- Clearance at low-water (5th February 2021)
- Cloud & Weather Front Spotter (26th September 2022)
- Cockpit Pilotage Plan (11th November 2021)
- Creating a Cockpit-ready Pilotage Plan (11th November 2021)
- Day Skipper - Day Shapes, Lights & Sounds (6th June 2025)
- Depth needed now for clearance at low water (5th February 2021)
- Dilution of Precision Scale (9th October 2021)
- Engine Checks (15th April 2022)
- GMDSS VHF DSC Procedures for Small Boat Users (20th July 2025)
- Height of tide needed to clear a charted depth (9th October 2021)
- Height of tide needed to clear a drying height (9th October 2021)
- How to plot a Course to Steer (10th February 2021)
- How to plot an Estimated Position (10th February 2021)
- How to plot Dead Reckoning (10th February 2021)
- Inshore Waters Forecast - Dumbarton to Farlow (13th September 2025)
- Inshore Waters Forecast - Dumbarton to Farlow (8th November 2021)
- Inshore Waters Forecast - Sea Areas (8th April 2022)
- International Maritime Signal Flags (28th December 2024)
- International Morse Code (27th December 2024)
- IRPCS - Light Definitions (Rule: 21) (3rd June 2025)
- IRPCS - Lights: Vessels Making Way (Rule 23 & 25) (4th July 2025)
- IRPCS - Sound Signals (Rule: 34 & 35) (2nd June 2025)
- IRPCS - Specialist Lights & Shapes (4th June 2025)
- IRPCS - Visibility of Lights (Rule: 22) (6th June 2025)
- Isolated Danger Marks (18th July 2023)
- Life Saving Signals Table (14th November 2022)
- Marine Radio Procedure Words (Prowords) (23rd July 2025)
- Maximum height of tide with clearance underneath charted object (9th October 2021)
- Mayday Voice Message (16th November 2021)
- NATO Phonetic Alphabet (15th July 2025)
- Notices to Mariners - RYA 3 & 4 (16th May 2021)
- Passage Plan Template (29th March 2022)
- Pilotage Notes (9th October 2021)
- Positioning Web (17th October 2021)
- Pre-departure Checklist (28th April 2022)
- Restricted Ability to Manoeuvre (23rd May 2023)
- RYA Training Almanac (4th February 2021)
- RYA Training Deviation Card (12th October 2021)
- Safety Briefing Checklist (2nd May 2022)
- Semaphore Flag Signals (1st November 2024)
- Shipping Forecast Sea Areas (22nd July 2025)
- Shipping Forecast Worksheet (8th November 2021)
- SOLAS No.2 Life Saving Signals Card (26th June 2024)
- SOLAS V (for pleasure craft) (14th November 2022)
- Synoptic Chart (7th November 2021)
- Tidal Curve - Namley Harbour (4th February 2021)
- Tidal Curve - Port Fraser (5th February 2021)
- Tidal Curve - Victoria (4th February 2021)
- Tidal Hour Calculation Sheet (4th February 2021)
- UK Inshore Waters Forecast (23rd July 2025)
- Weather Broadcasts and Maritime Safety Information (27th May 2021)
- Weather Forecast Capture Sheet (1st May 2021)
- Weather Forecasting Terminology (7th November 2021)
Categories
Tooltip Categories
- Abbreviation
- Courses
- Did you know?
- General Nautical Terminology
- IRPCS (All Rules)
- Knot
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- Nautical Saying
- Navigation
- Organisation
- Parts of a Boat
- Safety
- Signals & Communication
- Weather (Meteorology)
