Chapter 1
GENERAL CHARACTERISTICS
The boat must at least comply with all aspects of the ‘NF EN ISO 12217 Small Craft – Stability and Buoyancy Assessment and Categorisation – part 2 : Sailing boats of hull length greater or equal to 6 m’ for design Category A, as well as the requirements set out in the OSR for Sailing Category 1.
In the event of a conflict between the OSR and the NF EN ISO 12217 standard, the latter will prevail.
It is also reminded that the boat must comply with the prescriptions of the article 3.04.6 of the OSR Cat. 1
The skipper will either provide a certification of compliance to the NF EN ISO 12217 standard and to § 3.04.6 OSR Cat 1 issued by the yard, or a solemn declaration for the custom built leisure crafts (appendix 224-A.1 of the new division 224, completed by the following sentence: I, … , certify on my own responsibility that my boat meets the requirements set out in the OSR Cat 1.)
These rules are modified in the following way:
Alterations to the OSR Cat.1
a) 3.03.1 b) «ABS certification », does not apply.
b) 3.04.3 « IMS Stability Index», does not apply.
c) 3.04.4 « Stability Standard », replace « can » by « must ». See §301 of these rules.
d) 3.08.3 « Companionway », does not apply, replaced by the restrictions set by the ISO 12217-2: §6.2.2.2 standard and the whole ISO 11812 § 8. As a result, the minimum height of the fixed sill must be 300 mm. The (watertight) companionway hatch must be solidly attached to the craft in such a way they cannot be dismantled without tools.
e) 3.14.3a « Pulpit Position », modified, see §402 of these rules.
f) 3.14.7 « Pushpits/Pulpits, Stanchions, Liflines », modified, see §402 of these rules.
g) 3.19.1 « Bunks », modified, see §104 of these rules.
h) 4.01.2 « Hull marking ». Modified, see §307 of these rules.
i) 4.26.4 f « Working jib ». Modified, see §212.04 of these rules.
j) Appendix H « Organisation of Ocean Races ». Does not apply.
Alterations to the RRS:
a) §50.4 « Foresails», modified. See §212.03.01 of these rules.
b) §51. « Movable ballast », does not apply.
c) appendix G “on sail identification”, modified, see §212.01.01 of these rules
The appendages are limited to one keel, fixed while sailing (no flap / trimtab) and two rudders (fixed or lifting blades) maximum.
Note: Canards and dagger-boards are forbidden.
Canting and pivoting masts are forbidden
Forestays, backstays, runners and shrouds (permanent or temporary) must be fixed to chain plates situated inside the natural intersection of hull and deck.
A tolerance of 20 mm is allowed for attached chainplates
Deck spreaders are forbidden
The total number of measured sails taken onboard is limited to 8, including a staysail, a storm-jib (mandatory) and a try-sail (facultative, except special prescriptions from the race organiser).
Any material other than woven or laminated polyester is forbidden in the manufacture of the mainsail and jibs. Any material other than Nylon is forbidden in the manufacture of the spinnakers. None of the sails can be made of exotic materials.
The mainsail must display the Classe 9.50 logo, which must be obtained exclusively from the Classe 9.50 committee.
In addition to the OSR Cat 1 rules (ie: a wc and small galley), there must be onboard:
- 1 chart table, permanently fixed
- A minimum of 4 bunks, permanently fixed
- A minimum of 2 portlights on the roof, each of them must provide a lateral visibility of 0.2 m² minimum. This is the total “clear glass” area and excludes the companionway hatch.
- 2 tanks of a minimum capacity of 50 L. for fresh water. They must be permanently fixed and their top must not be higher than 20 cm above the DWL
- 1 tanks of a minimum capacity of 50L. for fuel, permanently fixed.
Electrical power is delivered through several batteries of a minimum global capacity of 200 A/h in 12 V for servitude batteries and of 40 A/h for the engine batteries.
These batteries must be watertight. By watertight, one means: of which the acid cannot leak immediately in a horizontal position. They must be fixed for the entire competition, in such a way that they cannot move, whatever the trim of the boat.
These batteries must be electrolytic using lead. (Acidic or gel)
