RATING CERTIFICATE

YACHT DESCRIPTION
Name of Yacht: PIROUETTE Photo 1 ??? - Photo 2... Request date : 2026-08-11 Launch year :1938 Designer : H. Dervin Design year : 1937 Builder : Bonnin Usual place of sailing : Saint Malo	Declared dimensions : Lenght Over All (L_H) = 13.97 m Length on the Water Line (L_WL) = 10.40 m Max width (B_H) = 3.64 m Draft (TE) = 1.80 m Displacement factor (FD) = 12.637
Correction factor calculation Type of rig : bermudian cutter = 1 Hull: classic 2 C2 = -0.03 Kref = 0.179 C2a = -0.012 Performance group : Performance class 4 = -0.05 Vintage bonus (build): 1938 = -0.012 Vintage bonus (design): 1937 = -0.013 Cumulative vintage bonus: -0.025 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 : 2023 = 0.019 Year of spar change : 2023 = 0.01 Sails material : type 2 = 0 Propeller type : tripale = -0.08 Winches ? : with = 0 Correction factor (C)= 0.815	BERMUDIANS Max foresail area: 52.2 m² Genoa HLU = 6.25 ; HLP = 16.00 BERMUDIANS Main total area: 43.13 m² Mainsail P = 15.00 ; E = 5.00 No downwindsail

RATING ( Rc ): 6.9375

Time corrected Factor ( Ftc ): 0.8466

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 :

2026-08-11

JCH commission member :

Olivier Beau

Certificate number :

8-116-4622