Chart correction 23/21 — chart 24469
24469 1Ed. 8/22/87 LAST NM 22/21 23/21 Add Pilot station symbol [T1.1] 12°18′40″N 71°59′55″W (Plan) Relocate Buoy “6” from 12°15′51.2″N 71°57′55.6″W to 12°16′00.6″N 71°58′01.7″W (COL CH 229, 603) SECTION I NM 23/21 I-1.5
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 8/22/87
Reference information — always verify against official Notices to Mariners before navigation.