Chart correction N50/22 — chart 11471
★11471 1Ed. 07/17/04 LAST NM N49/22 N50/22 Add Buoy "D" Y, pillar, Fl Y 4s with legend "(Navy maintd)" [Q130.6] 26°04′27.1″N 80°06′17.8″W Buoy "F" Y, pillar, Fl Y 4s with legend "(Navy maintd)" [Q130.6] 26°03′01.2″N 80°06′18.5″W (42/22 CG7; USCG LL)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 07/17/04
Reference information — always verify against official Notices to Mariners before navigation.