Chart correction 47/21 — chart 11374
★11374 38Ed. 05/01/15 LAST NM 46/21 47/21 (Side B) Substitute Buoy "16" R, Fl R 6s for light "16" 30°19′15.6″N 88°17′48.5″W Buoy "20" R, nun for beacon "20" 30°21′07.5″N 88°17′01.4″W (38/21 CG8)
Source: NGA U.S. Notice to Mariners · edition: 38Ed. 05/01/15
Reference information — always verify against official Notices to Mariners before navigation.