RATING CERTIFICATE
Sail number : GBR 486

YACHT DESCRIPTION
Name of Yacht: SLEEPER X Photo 1 - Photo 2... Request date : 2026-05-28 Launch year :1972 Designer : Sparkman and Stephens Design year : 1970 Builder : Nautor Class name : Swab 48 Usual place of sailing : south of England	Declared dimensions : Lenght Over All (L_H) = 14.60 m Length on the Water Line (L_WL) = 11.42 m Max width (B_H) = 4.15 m Draft (TE) = 2.40 m Displacement factor (FD) = 16.098
Correction factor calculation Type of rig : bermudian sloop = 1 Hull: modern 1 C2 = 0.01 Kref = 0.191 C2a = 0.038 Performance group : Performance class 3 = 0 Vintage bonus (build): 1972 = 0.033 Vintage bonus (design): 1970 = 0.03 Cumulative vintage bonus: 0.063 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 Year of mast change : 2020 = 0.018 Year of spar change : 2020 = 0.009 Sails material : type 3 = 0.085 Propeller type : orientable ou repliable = -0.01 Winches ? : with = 0 Correction factor (C)= 1.291	BERMUDIANS Max foresail area: 73.68 m² Genoa HLU = 18.45 ; HLP = 7.65 BERMUDIANS Main total area: 50.81 m² Mainsail P = 16.80 ; E = 5.26 Larger downwindsail area: SL / ALE = 19.27, SL / ALU = 19.27, SHW / AMG = 10.46, SFL / ASF = 10.20 Area: 167.14 m² Use of big-boy, tall-boy, spinnaker staysails or other special sails in association with the spinnaker = NON

RATING ( Rc ): 13.6896

Time corrected Factor ( Ftc ): 1.0484

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 :

2026-06-03

JCH commission member :

Costalas Peter

Certificate number :

6-036-4510