David Dsilo2


Dave Dellenbaugh Sailing

David Dellenbaugh is a champion helmsman, tactician, author, coach, rules expert and seminar leader who has spent his career helping sailors sail faster and smarter.Here are the learning resources that he has created to help you improve your racing skills.

Contents List

Learn The Racing Rules 2024

Making LTRRcropDavid Dellenbaugh on set – shooting the new edition of Learn The Racing Rules.


Basic Principle: Sportsmanship and the Rules
Preamble to Part 2 (When Boats Meet)
Definition: Racing
Rule 23 (Interfering With Another Boat)

Module 1: Right of Way Rules (Rules 10-13)

Definition: Keep Clear
Definition: Leeward and Windward
Definition: Tack, Starboard or Port
Rule 10 (On Opposite Tacks)
Definition: Clear Astern and Clear Ahead; Overlap
Definition: Keep Clear
Rule 11 (On the Same Tack, Overlapped)
Rule 12 (On the Same Tack, Not Overlapped)
Rule 13 (While Tacking)

Module 2: General Limitations (Rules 14-17)

Rule 14 (Avoiding Contact)
Definition: Room
Rule 15 (Acquiring Right of Way)
Rule 16 (Changing Course)
Definition: Proper Course
Definition: Tack, Starboard or Port
Rule 17 (On the Same Tack, Proper Course)

Port Starboard photo copyEvery section listed at left is followed by a ‘Knowledge Check’ with questions to test your understanding of that topic.Module 3: Mark-Room (Rule 18)

Module 3: Part 1 – When rule 18 applies

Definition: Mark
Definition: Zone
Rule 18.1 (When Rule 18 Applies)
Preamble to Section C (At Marks and Obstructions)

Module 3: Part 2 – Rule 18 nuts and bolts

Definition: Mark-Room
Definition: Clear Astern and Clear Ahead; Overlap
Rule 18.2 (Giving Mark-Room)

Module 3: Part 3 – Tacking and jibing at marks

Definition: Fetching
Rule 18.3 (Passing Head to Wind in the Zone)
Rule 18.4 (Gybing)

In addition, at the end of every module there is a more extensive ‘Assessment Test’ with a review of all the rules covered in that module.Mark Room explanationModule 4: Room to Pass an Obstruction (Rule 19)

Definition: Obstruction
Rule 19.1 (When Rule 19 Applies)
Preamble to Section C (At Marks and Obstructions)
Rule 19.2 (Giving Room at an Obstruction)

Module 5: Room to Tack at an Obstruction (Rule 20)

Rule 20.1 (Hailing)
Rule 20.2 (Responding)
Rule 20.3 (Passing on a Hail to an Additional Boat)
Rule 20.4 (Additional Requirements for Hails)

Module 6: Exoneration and Penalties

Rule 43 (Exoneration)
Rule 31 (Touching a Mark)
Rule 44.1 (Taking a Penalty)
Rule 44.2 (One-Turn and Two-Turns Penalties)
Rule 21 (Starting Errors; Taking Penalties; Backing a Sail)