Glossary
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TermDefinition
- General Nautical Terminology DiaphoneA powerful two-tone fog signal with a grunt at the end.
- Courses, RYA Diesel EngineThe RYA Diesel Engine course is a one-day program designed for boat owners and operators who want to maintain and troubleshoot their engines... More Details
- General Nautical Terminology Digital Selective CallingIs the process of sending a digital message using a VHF transmission. It is used to send and listen for distress signals in maritime situations... More Details
- General Nautical Terminology, Safety, Signals & Communication Digital Selective Calling (DSC)
An automated VHF and MF/HF radio communication system used in maritime environments to send distress alerts, establish contact, and exchange...
More Details - General Nautical Terminology, Navigation Dilution of Precision (DOP)
Used in satellite navigation and geolocation to provide the likely accuracy of a satellite-derived position.
The DOP concept is essential to...
More Details - General Nautical Terminology DinghyA type of small boat, often carried or towed as a ship’s boat by a larger vessel. Also small open sailing boats often used for racing and training
- Courses, RYA Dinghy Club RacingThe RYA Dinghy Club Racing course prepares sailors to participate confidently in local club races. The course covers essential skills such as... More Details
- Courses, RYA Dinghy Day SailingThe RYA Dinghy Day Sailing course equips sailors with the knowledge and skills to plan and execute safe and enjoyable day trips. The course... More Details
- Courses, RYA Dinghy Foiling First FlightsThe RYA Dinghy Foiling First Flights course provides an introduction to the exhilarating world of foiling. Designed for experienced sailors, this... More Details
- Courses, RYA Dinghy Foiling Performance FlightsBuilding on the basics, the RYA Dinghy Foiling Performance Flights course refines foiling skills for greater control and speed. Participants... More Details
- Courses, RYA Dinghy Foiling Sustained FlightsThe RYA Dinghy Foiling Sustained Flights course is for experienced sailors aiming to master continuous foiling. Participants focus on fine-tuning... More Details
- Courses, RYA Dinghy Level 1 - Start SailingThe RYA Dinghy Level 1 course is an introductory program for beginners learning the fundamentals of sailing. Participants practice rigging,... More Details
- Courses, RYA Dinghy Level 2 - Basic SkillsThe RYA Dinghy Level 2 course builds on the foundation of Level 1, teaching participants to sail independently. Sailors practice tacking, gybing,... More Details
- Courses, RYA Dinghy Level 3 - Better SailingThe RYA Dinghy Level 3 course focuses on refining sailing techniques and building confidence in more challenging conditions. Participants enhance... More Details
- Courses, RYA Dinghy Performance SailingThe RYA Dinghy Performance Sailing course is designed for experienced sailors aiming to enhance their racing and technical skills. This advanced... More Details
- Courses, RYA Dinghy Regional RacingThe RYA Dinghy Regional Racing course is designed for sailors transitioning to competitive racing at a regional level. Participants learn advanced... More Details
- Courses, RYA Dinghy Sailing with SpinnakersThe RYA Dinghy Sailing with Spinnakers course introduces sailors to the exciting challenge of spinnaker handling. Participants learn how to rig,... More Details
- Courses, RYA Dinghy Seamanship SkillsThe RYA Dinghy Seamanship Skills course focuses on developing practical abilities to handle dinghies in a variety of conditions. Participants... More Details
- Courses, RYA Dinghy Start RacingThe RYA Dinghy Start Racing course is perfect for sailors looking to begin their journey into competitive sailing. This course covers racing... More Details
- General Nautical Terminology Dip the EnsignTo lower the ensign briefly as a salute. It is not re-hoisted until the vessel saluted has dipped and re-hoisted hers in acknowledgement

