RATING CERTIFICATE
Sail number : K649

YACHT DESCRIPTION
Name of Yacht: SONATA Photo 1 - Photo 2... Request date : 2019-04-28 Launch year :1950 Designer : william fife 111 Design year : 1935 Builder : woodnuts Usual place of sailing : Plymouth	Declared dimensions : Lenght Over All (L_H) = 15.96 m Length on the Water Line (L_WL) = 10.36 m Max width (B_H) = 3.30 m Draft (TE) = 2.30 m Displacement factor (FD) = 15.618
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: classic 2 C2 = -0.03 Kref = 0.179 C2a = 0.086 Performance group : Performance class 3 = 0 Vintage bonus (build): 1950 = 0 Vintage bonus (design): 1935 = -0.015 Cumulative vintage bonus: -0.015 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 Year of mast change : 1989 = 0.012 Year of spar change : 1989 = 0.006 Sails material : type 2 = 0 Propeller type : orientable ou repliable = -0.03 Winches ? : with = 0 Correction factor (C)= 0.996	BERMUDIANS Max foresail area: 63.34 m² Genoa HLU = 14.55 ; HLP = 8.34 BERMUDIANS Main total area: 73.04 m² Mainsail P = 17.52 ; E = 7.25 Larger downwindsail area: SL / ALE = 14.74, SL / ALU = 14.74, SHW / AMG = 9.81, SFL / ASF = 9.66 Area: 120.13 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = to be declared

RATING ( Rc ): 10.8284

Time corrected Factor ( Ftc ): 0.9709

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 :

2019-04-30

JCH commission member :

Costalas Peter

Certificate number :

4-309-2707