RATING CERTIFICATE
Sail number : FRA43864

YACHT DESCRIPTION
Name of Yacht: OSIRIS Photo 1 - Photo 2... Request date : 2026-05-28 Launch year :1974 Designer : B. Chance Design year : 1970 Builder : Wauquiez Class name : CHANCE 37 Usual place of sailing : Saint quay portrieux	Declared dimensions : Lenght Over All (L_H) = 11.25 m Length on the Water Line (L_WL) = 9.15 m Max width (B_H) = 3.20 m Draft (TE) = 1.80 m Displacement factor (FD) = 6.695
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: modern 1 C2 = 0.01 Kref = 0.191 C2a = 0.011 Performance group : Performance class 3 = 0 Vintage bonus (build): 1974 = 0.036 Vintage bonus (design): 1970 = 0.03 Cumulative vintage bonus: 0.066 Hull material : other = 0.05 Mast material : wood/aluminium/steel = 0 Boom material : wood/aluminium/steel = 0 Mast or boom total penality (D.2.1.3.6) : 0 No mast change = 0 No spar change = 0 Sails material : type 3 = 0.085 Propeller type : orientable ou repliable = -0.01 Winches ? : with = 0 Correction factor (C)= 1.228	BERMUDIANS Max foresail area: 49.58 m² Genoa HLU = 14.07 ; HLP = 6.75 BERMUDIANS Main total area: 29.25 m² Mainsail P = 13.75 ; E = 3.70 Larger downwindsail area: SL / ALE = 12.95, SL / ALU = 14.84, SHW / AMG = 7.44, SFL / ASF = 7.60 Area: 86.52 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NO

RATING ( Rc ): 10.5035

Time corrected Factor ( Ftc ): 0.9615

The delivery of a JCH certificate does not have to be understood as the elligibility of the boat to classic regattas.
Elligibility to a specific regatta is governed by the elligibility rules the organizers has decided and have displayed in the Notice of Race.

Certification commission :

Conseil JCH

Date of certificate :

2026-05-29

JCH commission member :

Olivier Beau

Certificate number :

5-296-4512