Possible IFR operations. AD reserved for radio-equipped avions Unpaved piste 11/29 usable by avions. Preferential use (except ULM) : piste 11/29. Use of piste 11/29 by ULM : - paved : possible for multi-axis ULM. - unpaved : possible with aeronautical authority prior agreement. Simultaneous use of paved piste 11/29 and unpaved piste 11/29 or joined voie de circulation prohibited. Simultaneous use of unpaved piste 11/29 and joined voie de circulation prohibited.