ZCZC AA19 AVURNAV BREST 220/26 IROISE - PAZENN SPECIAL OPERATIONS 1. HYDROGRAPHIC SURVEY ACTIVITY FROM 08 JUN 26 TO 27 J*N 26 IROISE SEA CELTIC SEA A SHOM MARITIME SURFACE DRONE WILL CONDUCT A HYDROGRAPHIC SURVEY. KEEP A DISTANCE OF AT LEAST 400 METERS AREA BOUNDED BY: 48-13.81N 004-50.58W 48-20.67N 004-50.25W 48-21.81* 007-29.12W 48-27.82N *PUAWOMQWW 48-27.71N 008-19.21W 48*QYMOWN 008-57.63W 2. CANC*L TLIS MSG 28*PPP*UTC JU**26 NNNN