I certify that since these documents and/or calculations were produced:
· no alteration has been made to the hull structure, keel, rudder, propeller and engine installation, tanks, anchors or batteries;
· a new engine, keel or rudder has not been fitted;
· the ballast has not been moved or its weight or configuration changed;
· gear and equipment has not been added or removed or its location changed;
· the mast, boom and spinnaker pole have not been altered or replaced; and
· no other change has been made which may affect the stability of the boat, save as detailed below: