Chart correction 17/21 — chart 25566

25566 27Ed. 4/12/97 LAST NM 16/21 17/21 Substitute Depth 19.8 meters R [K14.2] for depth 20 meters 16°10′32.1″N 61°31′37.3″W Note: Depth contour (20-meter) remains Depth 19.2 meters enclosed by depth contour (20-meter) for 20.6 meters 16°09′21.6″N 61°31′18.7″W Depth 20.5 meters for 21.5 meters 16°09′20.4″N 61°31′23.7″W Depth 7.7 meters for 8.2 meters 16°10′17.4″N 61°31′40.8″W Add Buoy “GP3” R, pillar, cone topmark, VQ R 16°10′30.6″N 61°31′55.1″W Depth 31 meters Obstn [K41] 16°10′21.0″N 61°32′33.1″W Depth 30 meters enclosed by depth contour (30-meter) centered 16°10′08.1″N 61°32′44.1″W (continued on next page) NM 17/21 SECTION I I-1.4 25566 (Continued) Add Solid line (pontoon) [F16] between 16°14′26.1″N 61°32′29.8″W 16°14′26.4″N 61°32′32.1″W Solid line (pontoon) [F16] between 16°14′27.0″N 61°32′29.7″W 16°14′27.6″N 61°32′31.7″W Solid line (pontoon) [F16] between 16°14′30.3″N 61°32′29.1″W 16°14′30.6″N 61°32′30.7″W Solid line (pontoon) [F16] between 16°14′29.1″N 61°32′29.3″W 16°14′29.4″N 61°32′31.3″W Buoy “Mouton vert” BYB, pillar, double cone topmark bases together, VQ(3) W 5s [Q130.3] 16°10′07.8″N 61°32′01.2″W (2(78)09, 19(256)13, 31(255)16, 9(260), 40(260)20 Brest; FRA CH 7100)

Source: NGA U.S. Notice to Mariners · edition: 27Ed. 4/12/97

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