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Table of details and specifications of SUI-023
  Designer Henri Copponex (SUI)
  Builders Louis Plojoux, Corsier-Port, Genève (SUI)
  Material Mahogany, carvel planked
  1st certificate issued 1957-02-09
  Original boat name Ylliam XII
  Original country SUI
  Original sail number 023
  Current location Naples (ITA)


Ylliam XII - 11.03.2016 by Andrea Rossi
Ylliam XII raced in Naples in June 1959 last time with Novarrez-Firmenich and was immediatly sold to italian yachtsman Fabbrini.
Fabbrini sailed her in Naples in September same year with name still Ylliam.
In 1960 Fabbrini races with the boat renamed Alkaid and she stays in Golfo di Napoli at least till 1963.
The "Ylliam" 5.5's - 28.04.2008 by Site Administrator
There has been seven 5.5 named "Ylliam" (the other numbers of the dynasty are other metrics or multihulls). "Ylliam" is the anagram of "Mailly", which is the name of the domain owned by the Firmenich family near Versoix, on the Leman lake.
"Ylliam X" is Z-11 (see SUI-011) Copponex/Corsier Port 1955 believably immediately sold to Charles Stern and become "Antiope VII".
"Ylliam XI" is Z-15 (see SUI-015)(and not XII as mentionned by mistake in the rating certificate), Copponex/Corsier Port 1956.
"Ylliam XII" is Z-23 (see SUI-023), Copponex/Corsier Port 1957.
"Ylliam XIII" is Z-32 (see SUI-032), Copponex/Corsier Port 1959.
"Ylliam XIV" is Z-36 (see SUI-036), Ohlson/Kungstor 1960.
"Ylliam XV" is believably Z-39 (see SUI-039), Copponex/Corsier Port 1960.
"Ylliam XVI" is Z-66 (see SUI-066), Hunt/Vator OY 1964.
Story reconstituted together with Pierre Girard and Noël Charmillot at the Musée du Léman on 03.11.06.

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Ylliam XII

Ownership history

Table of the history of sail number, name and ownership of SUI-023
Sail# Boat name Owner name
SUI-023 "Ylliam XII" André Firmenich (1957-1959)  
SUI-023 "Mayanus" B. Janet (1960-?)  
ITA-026 "Alkaid" Circolo Nautico Posillipo (?-?)  
ITA-026 "Ylliam XII" ? ? (?-?)  

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