ZCZC KA87 AVURNAV CHERBOURG 87/26 WIGHT - ABORDS DE OUISTREHAM - LARGE OUISTREHAM SPECIAL OPERATIONS 1. HYDROGRAPHIC SURVEY ACTIVITY FROM 16 SEP 25 TO 16 OCT 25 A FRENCH NAVY SHIP AND ITS HYDROGRAPHIC LAUNCHES ARE GOING TO REALISE AN HYDROGRAPHIC SURVEY FROM THE 16TH SEPTEMBER 2026 TO THE 09TH OCTOBER 2026 IN THE AREAS DELINEATED BY THE FOLLOWING COORDINATES: AREA 1: 49-26.018N 000-17.782W 49-31.078N 000-20.175W 49-43.937N 000-19.914W 49-26.268N 000-15.638W AREA 2: 49-19.977N 000-12.986W 49-20.001N 000-14.563W 49-23.073N 000-16.406W 49-23.122N 000-11.329W 49-20.833N 000-11.321W MARINERS ARE ASKED NOT TO DISTURB THE WORK AND NOT TO COME WITHIN 400 METRES OF THE VESSEL. 2. CANCEL THIS MSG 170000 UTC OCT 26 NNNN