RATING CERTIFICATE
(Valid only after approval and registration by the JCH commission)

YACHT DESCRIPTION
Name of Yacht: THAIS Photo 1 - Photo 2... Request date : 2026-10-08 Launch year :1965 Designer : Bourdais Massenet Design year : 1965 Builder : SETO Bonnières sur Seine Usual place of sailing : Le Crouesty	Declared dimensions : Lenght Over All (L_H) = 12.25 m Length on the Water Line (L_WL) = 9.50 m Max width (B_H) = 3.40 m Draft (TE) = 1.80 m Displacement factor (FD) = 13.791 Rating IOR : 12 feets
Correction factor calculation Type of rig : bermudian ketch = 0.98 Hull: traditional C2 = -0.086 Kref = 0.16 C2a = 0.059 Performance group : Performance class 4 = -0.05 Vintage bonus (build): 1965 = 0.024 Vintage bonus (design): 1965 = 0.024 Cumulative vintage bonus: 0.048 Hull material : steel = 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 = -0.08 Winches ? : with = 0 Correction factor (C)= 0.9	BERMUDIANS Max foresail area: 219.24 m² Jib or staysail HLU = 30.00 ; HLP = 14.00 BERMUDIANS Main total area: 0 m² Mainsail P = 30.00 ; E = 0.00 Mizzen or Jigger sail P = 12.00 ; E = 0.00 No downwindsail

RATING ( Rc ): 10.067

Time corrected Factor ( Ftc ): 0.9486

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.

IMPORTANT :
Handicap is calculated according to JCH calculation rules with your own measurements.
You are not allowed to use until it has been validated by a member of the JCH committee.