We have produced some simple measurement guides for owners*, please see below (PDF format). 


Gaff rig P, E and mainsail widths


What is headsail HLUmax?

Headsail data on cutter rigged boats


Rig (P, E, J, FL, STL)

Aft rigging drawings

If you have any queries please contact your Rule Authority, thank you.

*If you need an Endorsed certificate for your chosen events, then data will need to be officially measured, again please contact your Rule Authority about this.