RATING CERTIFICATE
Sail number : LG-6609

YACHT DESCRIPTION
Name of Yacht: JONAH Photo 1 - Photo 2... Request date : 2023-04-03 Launch year :1974 Designer : SPARKMAN & STEPHEN Design year : 1972 Builder : Nautor Class name : Swan 41 Usual place of sailing : Port la foret	Declared dimensions : Lenght Over All (L_H) = 12.50 m Length on the Water Line (L_WL) = 9.22 m Max width (B_H) = 3.64 m Draft (TE) = 2.10 m Displacement factor (FD) = 9.439
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: modern 1 C2 = 0.01 Kref = 0.191 C2a = 0.074 Performance group : Performance class 3 = 0 Vintage bonus (build): 1974 = 0.036 Vintage bonus (design): 1972 = 0.033 Cumulative vintage bonus: 0.069 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)= 1.18	BERMUDIANS Max foresail area: 68.59 m² Genoa HLU = 16.76 ; HLP = 7.84 BERMUDIANS Main total area: 33.31 m² Mainsail P = 14.63 ; E = 3.96 Larger downwindsail area: SL / ALE = 15.00, SL / ALU = 15.00, SHW / AMG = 7.00, SFL / ASF = 6.00 Area: 85 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NON

RATING ( Rc ): 10.4429

Time corrected Factor ( Ftc ): 0.9597

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 :

2023-04-03

JCH commission member :

Olivier Beau

Certificate number :

4-033-3765