RATING CERTIFICATE
Sail number : C-38

YACHT DESCRIPTION
Name of Yacht: OSIRIS VENTO Photo 1 - Photo 2... Request date : 2026-06-24 Launch year :1981 Designer : Sparkman & Stephens Design year : 1978 Builder : Sparkman & Stephens Class name : Catalina38 Usual place of sailing : O Grove	Declared dimensions : Lenght Over All (L_H) = 11.56 m Length on the Water Line (L_WL) = 9.22 m Max width (B_H) = 3.52 m Draft (TE) = 1.79 m Displacement factor (FD) = 6.32
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: modern 2 C2 = 0.04 Kref = 0.191 C2a = 0.006 Performance group : Performance class 3 = 0 Vintage bonus (build): 1981 = 0.045 Vintage bonus (design): 1978 = 0.041 Cumulative vintage bonus: 0.086 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 2 = 0 Propeller type : tripale = -0.08 Winches ? : with = 0 Correction factor (C)= 1.098	BERMUDIANS Main total area: 27.06 m² Mainsail P = 13.41 ; E = 3.51 Larger downwindsail area: SL / ALE = 15.10, SL / ALU = 13.90, SHW / AMG = 8.40, SFL / ASF = 7.80 Area: 100.05 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NO

RATING ( Rc ): 7.7671

Time corrected Factor ( Ftc ): 0.8756

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 :

2026-06-24

JCH commission member :

Luis Touron - Figueroa

Certificate number :

6-246-4558