Chart correction N17/21 — chart 22112

22112 4Ed. 9/10/16 LAST NM N16/21 N17/21 Delete Buoy 3°11′21″S 80°01′22″W Add Buoy RW, pillar, ball topmark, Iso W 2s [Q130.5] 3°11′37″S 80°01′54″W Buoy “No 21P” G, pillar, can topmark, Fl G 5s 2°47′29″S 80°15′48″W Buoy “No 22P” R, pillar, cone topmark, Fl R 5s 2°47′34″S 80°15′42″W Buoy “No 19P’ G, pillar, can topmark, Fl G 5s 2°48′35″S 80°17′01″W Buoy “No 20P” R, pillar, cone topmark, Fl R 5s 2°48′40″S 80°16′56″W Buoy “No 17P” G, pillar, can topmark, Fl G 5s 2°49′40″S 80°18′13″W Buoy “No 18P” R, pillar, cone topmark, Fl R 5s 2°49′45″S 80°18′08″W (8(25, 26, 28-31)19, 3(23)20 Guayaquil)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 9/10/16

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