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Sail Number Selection Criteria:

Sail numbers from “8000” to “9999” are restricted to those supplied by the builder with new boats.

All other sail numbers may be selected by the boat owner, however must be less than 8000 and shall not have been previously registered with the Force 5 Class, except when transferred with the permission of the seller.

Size and Location of Sail Numbers:

Sail numbers must be at least 10 inches in height and must contrast with the sail.

The starboard sail numbers shall be paced one inch above the seam between the two lower battens and the first sail number shall be 2 inches from the leach.

The port numbers shall be placed two inches below and directly in line with the starboard numbers.

As an option, the numbers may be mounted between the middle two battens conforming to the above guidelines.

Note: Outline numbers are not allowed.

Registration of Sail Numbers:

Sail numbers may be registered with the Force 5 Class Association by contacting This email address is being protected from spambots. You need JavaScript enabled to view it.