Chart correction N21/23 — chart 53082
53082 15Ed. 06/09/12 LAST NM N18/23 N21/23 Add Anchor berth “T” [N11.2], radius 330 meters, centered 43°06′26.4″N 5°54′53.4″E Buoy Y, spar, "X" topmark with legend "(occas)" [Q130.6] 43°06′52.0″N 5°55′18.1″E Buoy Y, spar, "X" topmark with legend "(occas)" [Q130.6] 43°06′53.4″N 5°55′15.4″E (See N46/19) (18(89)23 Brest)
Source: NGA U.S. Notice to Mariners · edition: 15Ed. 06/09/12
Reference information — always verify against official Notices to Mariners before navigation.