Classes historical documents

M-Class

  Previous Versions of Class Rules and Interpretations

   1988
   1992
   2000
Version:
2000
   2002
Version:
March 2002
   2016
Version:
July 2016

Revised 2016 class rules for the International M Class.

2016 release notes for certification authorities and measurers

Revised 2016 class rules release notes (long form)

Revised 2016 class rules release notes (short form)

Version:
V4-4

2016 spreadsheet for M

2016 M boat measurement form

2016 M rig measurement form

   2018
Version:
January 2018

Revised 2018 class rules for the IRSA Marblehead Class

A Class

  Previous Versions of Rules and Interpretations

   1932
   1948
   1973
   1985
   1994
Version:
1994
   2002
   2004
   2005
Version:
January 2005
   2007
   Interpretations to previous class rules
Version:
Re-issue 2015-03-17

Negative camber in the deck

Version:
Re-issue 2015-03-17

Do Class Rules 3 and/or 4 prohibit one or more appendages, placed on the centreline and aft of the aft waterline ending and wholly above the waterline.

Version:
Re-issue 2015-03-17

What is the proper way to measure the measurement "B" on the International "A" Class boat

Version:
Re-issue 2015-03-17

When mainsail is a luff sail.

Version:
Re-issue 2015-03-17

Measurement with a jackstay.

Version:
Re-issue 2015-03-17

If the words 'mast' and 'boom' in 7.1.1 are taken as the ERS meaning, is it permitted to alter the presence, position and geometry of rigging, spreaders, jumpers, backstay crane, fittings etc within the requirement of 7.1.1 to use the mast and main boom 'as measured'?

Version:
Re-issue 2015-03-17

Where a boat uses both double and single luffed mainsails should there be one main boom limitation mark for the dimension ‘B’ or two?

   2016

Revised 2016 class rules for the International A Class

2016 release notes for certification authorities and measurers

Revised 2016 class rules release notes (long form)

Revised 2016 class rules release notes (short form)

2016 A certificate spreadsheet

A 2016 boat measurement form

A 2016 rig measurement form

10R Class

  Previous Versions of Class Rules and Interpretations

   1948
Version:
1948
   1984
   1994
   1997
   2002
Version:
March 2002
   2010
Version:
January 2005
Version:
July 2010
Version:
October 2010
Version:
April 2010
Version:
April 2010
Version:
April 2010
Version:
April 2010
Version:
July 2010
   2016

Revised 2016 class rules for the International 10R

2016 release notes for certification authorities and measurers

Revised 2016 class rules release notes (long form)

Revised 2016 class rules release notes (short form)

10R 2016 spreadsheet for measurement forms and certificate

65 Class

  Previous Versions of Class Rules and Interpretations

   2018
Version:
January 2018

Revised 2018 class rules for the IRSA 65 Class