420 (dinghy)

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420 black.svg
Class symbol
Syc usjwdc2008 2.jpg
420s under sail
Current specifications
Crew 2
Type Monohull
Design One-Design
Construction GRP
Rig Bermuda
Keel Centerboard
Trapeze Single
LOA 4.2 metres (13 ft 9 in)
Beam 1.63 metres (5 ft 4 in)
Draft 0.965 metres (3 ft 2.0 in)
Hull weight 80 kilograms (180 lb)
Mast height 6.26 metres (20 ft 6 in)
Main & jib area 10.25 square metres (110.3 sq ft)[1]
Mainsail area 7.45 square metres (80.2 sq ft)
Jib / Genoa area 2.8 square metres (30 sq ft)
Spinnaker area 8.83 square metres (95.0 sq ft)
D-PN 86.3[2]
RYA PN 1087[3]
Year 1959
Designer Christian Maury
Role Youth trainer, racing
Infobox last updated: March 2010

The International 420 Class Dinghy is a double-handed (2 crew) monohull planing dinghy with centreboard, bermuda rig and centre sheeting. The name describes the overall length of the boat in centimetres (the boat is exactly 4.2 metres long). The hull is fibreglass with internal buoyancy tanks. The 420 is equipped with spinnaker and optional trapeze, making teamwork necessary to sail it well. It has a large sail-area-to-weight ratio, and is designed to plane easily. It can be rigged to be sailed single-handed.

The 420 was designed specifically to be easier to handle than its larger higher-performance cousin, the 470. Both were designed by French engineer Christian Maury, the 420 as a stepping-stone for club and youth sailing to the 470. The 420 is an International class recognized by the International Sailing Federation.

A derivative of the 420 called the Club 420 is popular in the North America. This class is not recognised by International Sailing Federation or the International 420 Class Association and cannot be used at class events. The boats are very similar in appearance but the Club 420 is slightly stronger, heavier and less refined.


The International 420 was designed by Christian Maury, after a specification drawn by Aristide Lehoerrff and Pierre Latxague, chief sailing instructors of the Centerport sailing school South-West France near St Jean de Luz. It was built at first by French industrialist Lucien Lanaverre, a former cooper for the Bordeaux wine industry, who had converted to the then new industry of GRP polyester moulding[4] in the 1960s as an inexpensive general purpose two sail, transom sheeted, non-trapeze dinghy, with modest easily handled sail plan. The class developed rapidly in France, being adopted nationally as a youth trainer for the larger Olympic class International 470 which was also designed by Cornu. By the late 1960s the class was adopted by a few UK university sailing clubs for training and team racing. it has the famous Bermuda rig.


The class adopted a policy of "prudent evolution" so as to allow development without making existing dinghies obsolete. The hull's seaworthiness and stability at speed proved to be better than most of its contemporaries, and this together with its modest sail area make it fun to sail in heavy weather and thus an excellent youth trainer, qualities that led to its adoption for that role by the RYA in the mid-1970s.

With its trapeze and spinnaker it provides the capability for advanced sailing techniques for international standard sailors, while still remaining affordable and accessible to beginners. The International 420 maintains a large multinational class association. The combination of effective class management, the boat's inherent sailing qualities, and prudent evolution have contributed to the class's continuing success.


World champions[edit]

The 1976 420 World Championships were held in Barrington, RI, USA, and the winners were Stephen Taylor & Joan Massey of the USA (both members of Yale Sailing Center, New Haven/Branford, CT).

The 1977 420 World Championships were held in Bayona, Spain, and the Taylor/Massey (USA) team defended their 1976 championship and won again, despite being slightly slower than an Israeli team that had 5 first-place finishes in 7 races. In '77, the Taylor/Massey pair had 5 second-place finishes, one first, and one drop (bad finish). The Israelis had two drops, thereby falling to second place.


Year Gold Silver Bronze
1973 Australia Adelaide  Australia
1974 Germany Kiel  France
Alain Chourgnoz
Denis Cerda
1975 Netherlands Medemblik  United States
1976 United States Barrington  United States
1977 Spain Baiona  United States
1978 Denmark Jyllinge  France
 Great Britain
Cathy Foster
Wendy Hilder
1979 Portugal Tróia  Italy
Di Salle
 West Germany
 New Zealand
1980 France Quiberon  Israel
1982 Australia Adelaide  Australia
 United States
 West Germany
1984 United States Annapolis  West Germany
A. Andruleit
H. Andruleit
 West Germany
1986 Belgium Nieuwpoort  France
Eric Godard
Christophe Godard
1987 Hungary Balatonfüred  France
Jean-François Berthet
Gwendoel Berthet
Eric Godard
Christophe Godard
1988 Australia Lake Macquarie  France
W. Sanchez-Diez
Bertrand Dumortier
 West Germany
Christian Halm
Alexander Halm
Jean-François Berthet
Gwendoel Berthet
1989 Socialist Federal Republic of Yugoslavia Mošćenička Draga  France
David Ravet
Bertrand Loyal
 Great Britain
Steve Irish
Greg Irish
 Great Britain
John Merricks
Rob Wilson
1990 France Crozon  France
Christian Gout
Jean Gout
1991 Italy Rimini  Great Britain
Steve Irish
Greg Irish
1992 Israel Caesarea  Spain
Gustavo Martínez
Dimias Wood
1993 Sweden Marstrand  Italy
Marcello Luciani
Dario Luciani
1994 United Kingdom Plymouth  Great Britain
John Merricks
Ian Lovering
1995 Australia Fremantle  Australia
Roger Perrett
Teague Czislowski
1996 Belgium Blankenberge  Portugal
M. Fortunato
M. Nunes
1997 United States Newport  France
W. Sanchez-Diez
1998 Spain Palamós  France
Nicolas Charbonnier
David Deguine
1999 Greece Athens  France
Nicolas Charbonnier
David Deguine
Pedro Pinto
Miguel Pinto
2000 France La Rochelle  Australia
Mathew Belcher
Daniel Belcher
Luca Matteo Bursic
Thomas Jacob
Mileos Michaelis
Theodores Polighrondis
2001 Italy Ravenna  Italy
Michel Mazzotti
Guilia Mazzotti
R. Medina
J. Cerezo
B. Danti
F. Geggio
2002 Portugal Tavira  India
Farokh Tarapore
Vikas Kapila
 Great Britain
Nic Asher
Elliot Willis
Morgan Lagravière
Noé Delpech
2003 United Kingdom Hayling Island  Spain
José Antonio Medina
Onan Barreiros
Nicolas Duron
Sébastian Durand
Morgan Lagravière
Noé Delpech
2004 Australia Melbourne  Australia
Nathan Wilmot
Malcolm Page
Mathew Belcher
Rike Ziegelmayer
Nathan Outteridge
Ayden Menzies
2005 France Brest  Portugal
Tomas da Silva
Francisco Gomes
Alfredo Capodanno
Vittorio Papa
Pablo Santurde
Abelardo Quevedo
2006 Spain Las Palmas  New Zealand
Carl Evans
Peter Burling
 New Zealand
Simon Cooke
Scott Illingworth
Fernando Lodos
Julien Pulve
2007 New Zealand Auckland  New Zealand
Carl Evans
Peter Burling
 New Zealand
Simon Cooke
Scott Illingworth
 New Zealand
Rowan Swanson
Bruce Kennedy
2008 Greece Athens  Greece
Michalis Mileos
Evangelos-Vasileio Mitakis
Vasilis Papoutsoglou
Akilas Drougas
Edoardo Mancinelli Scotti
Lorenzo de Felice
2009 Italy Lake Garda  Greece
Antonios Tsimpoukelis
George Karonis
 New Zealand
Francisco Lardies
Finn Drummond
 Great Britain
Ben Palmer
Konrad Weaver
2010 Israel Haifa  Singapore
Justin Liu
Sherman Cheng
Francesco Falcetelli
Gabriele Franciolini
Edoardo Mancinelli Scotti
Leonardo Cucchiara
2011 Argentina Buenos Aires  Argentina
Pablo Volker
Agustin Cunill Martinez
Edoardo Mancinelli Scotti
Leonardo Cucchiara
Benjamín Grez
Diego Gonzalez
2012 Austria Lake Neusiedl  Greece
Alex Kavas
George Kavas
Guillaume Pirouelle
Valentin Sipan
David Charles
Alex Charles
2013 Spain Valencia  Spain
Xavier Antich
Pedro Terrones
Tiago Brito
Andrei Kneipp
Sebastien Simon
Pierre Rhimbault
2014 Germany Lübeck  Spain
Jose Manuel Ruiz
Fernando Dávila
Hippolyte Macheti
Sidoine Dantes
Ido Bilik
Ofek Shalgi
2015 Japan Karatsu  Japan
Daichi Takayama
Syota Nakano
 United States
Wiley Rogers
Jack Parkin
 Hong Kong
Calum Gregor
Hugo Christensson


Year Gold Silver Bronze
1980 Denmark Charlottenlund  Italy
Claudia Mazzaferro
1981  Italy
Claudia Mazzaferro
1986 Belgium Nieuwpoort  Italy
M. Bazzini
D. De Cagno
1987 Italy Cervia  France
V. Ravet
D. Besson

1988 Switzerland
1989 France  Sweden
M. Wendris
Boel Bengtsson
1990 Japan Miura  France
Céline Hendrick
Catherine Condolf
1991 Italy Rimini  France
Marie LeCadre
Laure Fernandez
1998 Galaxidi  Israel
Limor Kliger
Vered Buskila
1999 Greece Athens  Greece
Dimitra Milona
Aliki Kourkoulou
2000 France La Rochelle  Great Britain
Christina Bassedone
Helen Mayhew
Altana Danezi
Evagelia Vlachov
Elena Ziliani
Alessandra Marenzi
2001 Ravenna  Italy
Elisabetta Sacchegiani
Maria Paola Bertone
Sara Postogna
Anna Postogna
Carolina Mariani
Camilla Gabrielli
2002 Tavira  France
Caroline Jonet
Magali Pallanca
Spiridoula Mileou
Sofia Papadopoulou
Isabel Barzaghi
Laura Zani
2003 United Kingdom Hayling Island  Brazil
Isabel Barzaghi
Laura Zani
 Great Britain
Charlotte Savage
Maia Walsh
Dorothea Gebert
Natascha Lorenz
2004 Mornington  Australia
Elise Rechichi
Tessa Parkinson
 Great Britain
Lucy MacGregor
Nicola MacGregor
Camille Lecointre
Gwendolyn Lemaitre
2005 France Brest  Italy
Maria Stella Turizio
Maria Carolina Rendano
Marie Lumeau
Claire Bossard
 Great Britain
Maria Stanley
Catherine Alton
2006 Spain Las Palmas  Great Britain
Hannah Mills
Peggy Webster
Tara Pacheco-Van Rijnsoever
Elena Barambio
Benedetta Danti
Elisa Cecconi
2007 New Zealand Auckland  New Zealand
Jo Aleh
Olivia Powrie
 New Zealand
Shelley Hesson
Bianca Barbarich-Bacher
 New Zealand
Sarah Bilkey
Rosie Sargisson
2008 Greece Athens  Greece
Katerina Kaitatzidou
Sofia Kaitatzidou
Gil Cohen
Adva Kremer
Afrodite Kyranakou
Elena Nikiforidi
2009 Italy Lake Garda  New Zealand
Alex Maloney
Bianca Barbarich-Bacher
Camilla Marino
Claudia Soricelli
 United States
Sydney Bolger
Caitlin Beavers
2010 Israel Haifa  Italy
Roberta Caputo
Benedetta Barbiero
 United States
Morgan Kiss
Katia Da Silva
Christina Celli
Silvia Morini
2011 Argentina Buenos Aires  Great Britain
Annabel Vose
Megan Brickwood
Nadine Bohm
Monika Lindner
Maelenn Lemaitre
Aloise Retornaz
2012 Austria Lake Neusiedl  Singapore
Rachel Lee
Cecilia Low
Nadja Horwitz
Sofia Middleton
Griselda Khng
Shu Xian Lee
2013 Spain Valencia  Great Britain
Annabel Cattermole
Bryony Bennett-Lloyd
Kimberly Lim
Savannah Siew
 United States
Sara Scotto Di Vettimo
Vittoria Barbiero
2014 Germany Lübeck  Italy
Carlotta Omari
Francesca Russo Cirillo
Kimberly Lim
Savannah Siew
Aikaterini Tavoulari
Fotini Koutsoumpou
2015 Japan Karatsu  Spain
Marta Garrido
María Jesus Dávila
Charlotte Yven
Marine Riou
Misaki Tanaka
Sena Takano

ISAF Youth Worlds[edit]

The class has been used for almost all the ISAF Youth Sailing World Championships as the two person dinghy for boys and girls. For a couple of years the class was competing for the slot with both the 29er and Laser 2. The Laser 2 is no longer recognised equipment for the youth worlds and the 29er has been recognised separately for the skiff discipline.


Participants in US Junior Women's Double-handed Sailing Championship, October 2008. 
Mythologies cresting a wave as she heads out from the shore at Brighton, South Australia 
420 GBR 39178 
420 FRA 51265 


  1. ^ "Introduction to the 420". Archived from the original on 2012-01-20. 
  2. ^ "Centerboard Classes". Offshore.ussailing.org. Retrieved 31 July 2012. 
  3. ^ "Portsmouth Number List 2012". Rya.org.uk. Retrieved 31 July 2012. 
  4. ^ "INTERNATIONAL 420 Sailboat SailPlan Data and Sail Quoting System". Sailritesails.com. Retrieved 2015-05-03. 

External links[edit]