Chart correction N20/21 — chart 51146

51146 4Ed. 1/29/11 LAST NM N9/21 N20/21 Delete Buoy “No 17 CN” 38°29′06.7″N 8°49′14.9″W Change Beacon to “No 5” GWG, cone topmark, Fl G 4s 14m 4M 38°29′12.2″N 8°55′21.8″W Add Buoy “No 19 CN” G, pillar, cone topmark, Fl G 4s 38°28′56.8″N 8°49′07.8″W Buoy “No 17 CN” G, conical, Fl(3) G 9s 38°29′06.3″N 8°49′13.9″W (3(163)21 Lisboa) SECTION I NM 20/21 I-1.7

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 1/29/11

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