CLASS RULES

The International 2.4mR Class Association is the world organization that governs the International 2.4mR Class (2.4mR) and the 2.4 Norlin One Design Class (2.4 NOD)

Both 2.4mR and 2.4 NOD boats comply with the 2.4mR Rating Rule.

The 2.4mR World Championship includes all 2.4mR boats with the first boat awarded the World Cup Trophy and the first 2.4 NOD boat awarded the 2.4 NOD Trophy.

INTERNATIONAL 2.4mR CLASS (2.4mR)

The International 2.4mR Class is a development class with boats complying with the 2.4mR Open Class Rules. 2.4mR boats are administered by Member National Authorities under delegation by World Sailing.

The 2.4mR class rule provides a development option for sailors looking at innovation within the meter rule which has produced beautiful boats for over a century. Current production 2.4mR boats include the Super 3, Stradivari and Södergren. Home built 2.4mR boats can also be built under this rule.

2.4mR Rules (Effective date: 2024-02-12)

Class Rule Changes (Effective date: 2024-02-12)

Class Rule Change (Effective date: 2022-11-15)

Class Rule Interpretation - Rigging Point 1 (Effective date: 2023-09-27)

Class Rule Interpretation - Rigging Point 2 (Effective date: 2024-05-21) (NEW)

The Classic 2.4mR Rule

The 2.4mR Rating Rule

Forms:

2.4mR Measurement Form (.pdf) (NEW)

2.4mR Measurement Form (.xls) (NEW)

Waterline Declaration

Buoyancy Certificate Form

Builder Declaration Form

Other Rules:

2021-2024 Racing Rules of Sailing

2021-2024 Equipment Rules of Sailing

2020 World Sailing Regulations

2.4 NORLIN ONE DESIGN CLASS (2.4 NOD)

The 2.4 NOD is a restricted class with boats complying with the 2.4 NOD Closed Class Rules. 2.4 NOD boats are a class of 2.4mR boat, based on the Norlin Mk III design and administered by the 2.4mR ICA.

The 2.4 NOD class rule provides a one-design option for sailors with racing in boats of equal performance where results are determined by the skill of the sailor. The 2.4 NOD has been selected by World Sailing as the single person technical equipment for Para Sailing.

2.4 NOD boats are manufacturer controlled with ICA accredited builders including AB Skim Kayaks Finland OY (Evert Aartsen) and Super 3 (Brian Harding). 2.4 NOD builders know that they are building a standard product that will not be outdated and is subject to quality control.

2.4 NOD Class Rules 2024 (NEW)

2.4 NOD Construction Manual 2023

Forms:

2.4 NOD Measurement Report Form for OLD Boats

2.4 NOD Measurement Report Form for NEW Boats

2.4 NOD Measurement Report Mast & Boom

Copies of 2.4 NOD Certificates can be found here

IF YOU NEED A NEW CERTIFICATE PLEASE SEE HERE