RATING CERTIFICATE
Sail number : FRA 4963

YACHT DESCRIPTION
Name of Yacht: TCHAIKA Photo 1 - Photo 2... Request date : 2019-05-09 Launch year :1971 Designer : Sparkman and Stephens Design year : 1970 Builder : ALPA Class name : ALPA 1270 Usual place of sailing : Saint Malo	Declared dimensions : Lenght Over All (L_H) = 12.62 m Length on the Water Line (L_WL) = 9.15 m Max width (B_H) = 3.46 m Draft (TE) = 2.17 m Displacement factor (FD) = 9.099
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: C2 = Kref = C2a = 0.474 Performance group : Performance class 3 = 0 Vintage bonus (build): 1971 = 0.031 Vintage bonus (design): 1970 = 0.03 Cumulative vintage bonus: 0.061 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 : orientable ou repliable = -0.03 Winches ? : with = 0 Correction factor (C)= 1.593	BERMUDIANS Max foresail area: 59.45 m² Genoa HLU = 14.60 ; HLP = 7.80 BERMUDIANS Main total area: 38.91 m² Mainsail P = 13.40 ; E = 5.05 Larger downwindsail area: SL / ALE = 15.30, SL / ALU = 15.30, SHW / AMG = 9.40, SFL / ASF = 9.30 Area: 119.6 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = to be declared

RATING ( Rc ): 14.9368

Time corrected Factor ( Ftc ): 1.0796

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 :

2019-05-09

JCH commission member :

Perrin Patrick

Certificate number :

5-099-2756