RATING CERTIFICATE

YACHT DESCRIPTION

Name of Yacht: Nonna Photo...
Request date : 03 02 2015
Launch year :1978
Designer : François Sergent
Design year : 1973
Builder : Pierre Fos (Abbeville)
Usual place of sailing : Atlantique

Declared dimensions :
Lenght Over All (LH) = 17.00 m
Length on the Water Line (LWL) = 15.86 m
Max width ( Bo ) = 4.64 m
Draft (Tmax) = 2.45 m
Displacement factor (FD) = 25.011


Correction factor calculation

Type of rigging : bermudian ketch = 0.98
Hull: modern
C2 = 0.1 Kref = 0.21
C2a : -0.18
Regatta series : no = 0
Vintage bonus (build): 1978 = 0.041
Vintage bonus (design): 1973 = 0.034
Cumulative vintage bonus: 0.075
Hull material : steel = 0.03
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
Material of mast or boom different from original : no = 0
Material other spar different from original : no = 0
Sails material : type 2 = 0
Propeller type : 3 fix blades = -0.16
Winches ? : with = 0

Correction factor (C)= 0.845

BERMUDIANS
Max foresail area: 72.43 m²
GenoaJL = 18.50 ; LPG = 7.50

BERMUDIANS
Main total area: 73.83 m²
Mainsail P = 17.00 ; E = 5.70
With Mizzen or Jigger sail P = 9.00 ; E = 3.50

No downwindsail

RATING ( Rc ): 9.6104

Time corrected Factor ( Ftc ): 0.9549

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 :

04 02 2015

JCH commission member :

Olivier Beau

Certificate number :

2015021301