Chart correction N20/21 — chart 22112

22112 4Ed. 9/10/16 LAST NM N19/21 N20/21 Relocate Buoy “4R” from 2°42′29″S 79°55′39″W to 2°42′44″S 79°55′35″W Buoy “6R” from 2°40′28″S 79°56′00″W to 2°40′54″S 79°56′09″W Buoy “10R” from 2°37′35″S 79°55′26″W to 2°37′19″S 79°55′20″W Buoy “11R” from 2°37′01″S 79°55′01″W to 2°36′43″S 79°54′55″W Buoy “12R” from 2°37′12″S 79°54′54″W to 2°36′50″S 79°54′42″W Add Buoy “No 1P” G, pillar, can topmark, Fl G 5s 2°54′29″S 80°28′23″W Buoy “No 2P” R, pillar, cone topmark, Fl R 5s 2°54′35″S 80°28′21″W Buoy “No 3P” G, pillar, can topmark, Fl G 5s 2°53′55″S 80°26′51″W Buoy “No 4P” R, pillar, cone topmark, Fl R 5s 2°54′01″S 80°26′48″W Buoy “No 13P” G, pillar, can topmark, Fl G 5s 2°51′16″S 80°20′00″W (2(4, 6-9)16, 8(10-13, 22)19 Guayaquil)

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

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