RATING CERTIFICATE

YACHT DESCRIPTION
Name of Yacht: SURFEIRA Photo 1 - Photo 2... Request date : 2023-02-04 Launch year :1998 Design year : 1950 Builder : Ayaso Ribeira Class name : dorna Nai Usual place of sailing : Rias Baixas. Galicia	Declared dimensions : Lenght Over All (L_H) = 7.97 m Length on the Water Line (L_WL) = 7.90 m Max width (B_H) = 2.61 m Draft (TE) = 1.11 m Displacement factor (FD) = 3.412
Correction factor calculation Type of rig : gaffer cutter = 0.88 Hull: traditional C2 = -0.086 Kref = 0.16 C2a = -0.039 Performance group : Performance class 4 = -0.05 Vintage bonus (build): 1998 = 0.069 Vintage bonus (design): 1950 = 0 Cumulative vintage bonus: 0.069 Hull material : traditional wood = -0.03 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 = -0.14 Winches ? : without = -0.05 Correction factor (C)= 0.62	GAFFERS Foresail area: 16.16 m² Staysail HLU = 6.54 ; HLP = 2.33 Jib HLU = 7.08 ; HLP = 2.22 GAFFERS Main total area: 24.32 m² Gaffer Mainsail MAE = 7.94, MAH = 4.69, MAU = 4.04, MAD = 6.06, MAF = 5.07 No downwindsail

RATING ( Rc ): 3.4636

Time corrected Factor ( Ftc ): 0.7003

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 :

2023-02-04

JCH commission member :

Luis Tourón-Figueroa

Certificate number :

2-043-3728