Chart correction N31/23 — chart 57103

57103   3Ed.  05/17/14  LAST  NM  N40/21  N31/23 Delete Buoy "No 2"   6°18′38″N  2°27′52″E Buoy "No 1"   6°19′09″N  2°27′57″E (N8/20) Change Buoy to "No 3" G, pillar, cone topmark, Fl(2) G 4s AIS   6°19′52″N  2°27′17″E Buoy to "No 4" R, pillar, can topmark, Fl(2) R 4s AIS   6°19′26″N  2°27′32″E Add Buoy "No 2" R, pillar, can topmark, Iso R 6s AIS   6°18′57″N  2°27′56″E Buoy "No 1" G, pillar, cone topmark, Iso G 6s AIS   6°19′05″N  2°28′04″E (Plan) Delete Buoy "No 2"   6°18′38.3″N  2°27′54.2″E Buoy "No 1"   6°19′09.0″N  2°27′57.1″E Buoy "No 3"   6°19′51.8″N  2°27′16.4″E Relocate Buoy "No 4" from 6°19′25.4″N  2°27′32.2″E to   6°19′22.0″N  2°27′33.0″E and add AIS [S17.2] Buoy "No 2" R, pillar, can topmark, Iso R 6s AIS   6°18′57.0″N  2°27′56.0″E Add Buoy "No 1" G, pillar, cone topmark, Iso G 6s AIS   6°19′05.0″N  2°28′04.0″E Buoy "No 3" G, pillar, cone topmark, Fl(2) G 4s AIS   6°19′50.0″N  2°27′17.0″E (25(168)23 Brest)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 05/17/14

Reference information — always verify against official Notices to Mariners before navigation.