NALSA classes are open classes, almost completely free in terms of design and yacht size, limited only by sail size.
Class II max-126.6 ft2 (11.30 m2)
Class III
max- 79.1 ft2 (7.35 m2)
(see also international class 3)
Class IV max-59.0 ft2 (5.48 m2.)
Class V max- 49.0 ft2 (4.55 m2)
US Mini 6.7 Rules Page
Sportsman: boats that don't fit in other classes and don't
have a wing mast. Sometimes also boats without the 5 required to be a
class for racing purposes.
There are procedures for classes to be accepted into FISLY and
classes are required to have their own associations. Classes set their
own rules which FISLY publishes.
Class 2
Class 3 (US class III is currently complying with FISLY
rules...mostly).
Class 5 (usually known as FISLY
5 in the US)
US Class 5
page
FISLY Class 5 Rules PDF
European class
5 Facebook page
Promo (Class 5 with cost reducing
limitations)
Mini (Called Mini 5.6 in the US)
Mini
Spirit-more restricted
Mini Sport-more developmental
Manta Twin and Single
MANTA
Class Page
Mini Skeeter
Mini Skeeter Facebook page
Standart
Standart webpage
Standart rules PDF
Blokart