Chart correction N18/23 — chart 53082
53082 15Ed. 06/09/12 LAST NM N47/22 N18/23 Delete Purple dashed line and legend "Seaplane Operating Area SEE NOTE" between 43°04′00.6″N 5°56′40.2″E 43°04′54.8″N 6°00′38.4″E Add "Compulsory Pilotage SEE NOTE" area [N2.1] bound by shore and purple composite line between 43°04′00.6″N 5°56′40.2″E 43°04′54.8″N 6°00′38.4″E Note "COMPULSORY PILOTAGE Pilot Service is mandatory for vessels over 45m in overall length. For further information, see Sailing Directions." 43°06′32.1″N 5°59′27.9″E "Seaplane Operating Area SEE NOTE" [N13] bound by purple dashed line joining 43°04′34.2″N 5°57′33.8″E 43°04′58.2″N 5°56′55.9″E 43°05′11.3″N 5°56′03.0″E 43°05′59.7″N 5°55′36.1″E 43°05′59.7″N 5°58′06.3″E 43°05′49.0″N 5°58′14.8″E 43°05′50.3″N 5°58′25.3″E 43°05′59.7″N 5°58′31.1″E 43°05′59.7″N 5°59′39.0″E 43°04′35.1″N 5°59′17.4″E "Seaplane Operating Area SEE NOTE" [N13] bound by purple dashed line joining 43°05′15.0″N 5°54′47.5″E 43°06′10.1″N 5°54′43.8″E 43°06′23.3″N 5°53′48.7″E 43°06′31.4″N 5°53′52.2″E 43°06′23.4″N 5°55′32.1″E 43°06′14.4″N 5°55′25.1″E 43°06′04.8″N 5°55′28.3″E 43°05′20.8″N 5°55′25.2″E (11(87)23 Brest; FRA CH 7093; UKHO ARCS 2170-0)
Source: NGA U.S. Notice to Mariners · edition: 15Ed. 06/09/12
Reference information — always verify against official Notices to Mariners before navigation.