Amendment | Date | Rule | Summary |
| 7 | Oct 2019 | 6.11 9.1 12.9 12.10 12.11 14.5 14.7 | add glass fibre exception. exclude foil systems controlled by Rule 13.3 in the outermost layer requirements. additions to parts of yacht that move. additional limitation on what shall not be effected by movement of parts of the yacht. change to crew covering requirements addition of non structural filler to what is allowed on the surface finish of foil arm stock addition of word "fairings" so it is the foil arm fairings that are limited in this rule |
| 6 | Oct 2019 | 6.1 7.1 10.1 10.7 14.1 14.2 14.3 14.4 14.6 35.32 35.33 | Add "foil arm leading edges" to exceptions to rule 6. Add "foil arm leading edges" to exceptions to rule 7. Reference "foil arm leading edge" Reference "foil arm leading edge" Reference "foil arm leading edge" Reference "foil arm leading edge" Reference "foil arm leading edge" Reference "foil arm leading edge" Reference "foil arm leading edge" Reference "foil arm leading edge" Remove reference to leading edge in foil arm stock |
| 5 | 07 Jun 2019 | 10.1 10.7 11.16b)iv) 13.2a) 13.5 13.8 | Change to mass of components. Change to centre of mass for foil arm stock and foil. Change in minimum volume of hull surface due to foil penetration. Change in detailing what is not included as part of the foil. Change to description of what must lie within limits. Change in what part of a foil may touch any part of the yacht. **NOTE: These amendments approved under CR 33.1b)** |
| 4 | 01 May 2019 | 12.12 Fig 13.1 14.6 22.13 34 34 35.33 35.68 | Additional details regarding stanchion sockets. Remove note and radius reference to figure. Change to material allowed in foil arm stock. Addition of word "supplied" in reference to high-pressure accumulator. Add new date for supplied high-pressure accumulator. Change date to 30 Sept 19 for Measurement procedures and documentation. Change definition of foil arm stock. Change definition of lower leech point. |
| 3 | 20 Dec 2018 | 12.4 | Addition of fairing flaps to be allowed to lie below hull lower surface. |
| 2 | 06 Dec 2018 | 11.19 | Amend language to refer to the hull shell (opposed to hull surface). |
| 1 | 10 Oct 2018 | 6.4 10.1 11.12 11.14b) 12.5 13.10 20.11 23.1 19.15 34 35.74 | Exceptions added to component in the maximum elastic modulus table. Correction of axis to be used when measuring mast and mainsail assembly. Change to the measurement between centre to mass and centre of buoyancy. Change in size of water drainage. Addition of foils to be allowed to lie more than 0.200 m above MRP. New rule to allow cavity in foil wing for ultrasonic transmitter. Addition of buoyancy systems as component that makes up a mainsail. New f) to include supplied ultrasonic transmitters. Fix typo. Add new date for new ultrasonic transmitter. Change mast lower plane measurement. |
AC75 Class
Latest AC75 Class Rule version: AC75 Class Rule v1.7
AC75 Class Rule Amendment Table:
