ZCZC HA05 071000 UTC SEP 26 IRAKLEIO RADIO NAVWARN 1079/26 NORTH EAST CRETAN SEA MULTINATIONAL AERONAUTICAL ACTIVITY ‘MEDUSA 26’ FROM 091100 UTC TO 091200 UTC SEP 26 IN SEA AREA BOUNDED BY: 34-50.00N 026-10.00E34-50.00N 027-50.00E34-00.00N 027-50.00E34-00.00N 026-10.00E AVOID CROSSING ABOVE AREA CANCEL THIS MSG UTC 091300 SEP 26