AD approved with restricted use AD prohibited to non radio-equipped avions, glidders and ULM demande préalable to Atterrissage : MON-FRI : the previous day before 1500 (SUM - 1HR) SAT, SUN, HOL : before 1430 (SUM - 1HR) the last working day 04 42 56 13 49 or LFMIZPZX or E-mail : ba125.dv.fct@intradef.gouv.fr The demande préalable NR shall be mentioned in FPL field 18 FPL compulsory for all flights to or from Istres All MON, from 0645 to 0815 (SUM - 1HR), AD closed for maintenance Unusable outside piste and voie de circulation SESLA piste : Atterrissage prohibited. Used only by HEL in CER Procedures and special instructions CTR ISTRES class D : see complementary leaf of Marseille Provence