7.2 Eligibility of Gliders

7.2.1 Airworthiness certificates

A glider may be flown in a competition only if it holds a valid Certificate of Airworthiness or Permit to Fly not excluding competition flying and complies with the conditions of its airworthiness document and the rules of the class in which it is entered.

7.2.2 Change of components

Except where specifically allowed in the Championship rules (see Annex A) a glider shall fly throughout a competition as a single structural entity using the same set of wings or wing components, fuselage and tail unit.