Chart correction N51/21 — chart 62406

62406 4Ed. 05/04/19 LAST NM N49/21 N51/21 Delete Buoys "PDE6", "PDE5", "PDE4", "PDE3", "PDE2", "PDE1", "PDA10", "PDA9", "PDA8", "PDA7", "PDA6", "PDA5", "PDA4", "PDA3", "PDA2", "PDA1", "PDZ7", "PDZ6", "PDZ5", "PDZ4", "PDZ3", PDZ2", "PDZ1", and purple composite line (entry prohibited area limit) joining 25°16′34″N 55°17′42″E 25°17′04″N 55°17′29″E 25°18′14″N 55°16′47″E 25°18′25″N 55°16′05″E 25°18′22″N 55°15′18″E 25°18′29″N 55°14′31″E 25°18′28″N 55°13′19″E 25°20′28″N 55°11′04″E 25°23′50″N 55°11′03″E 25°23′51″N 55°14′43″E 25°22′30″N 55°16′39″E 25°21′49″N 55°17′31″E 25°20′54″N 55°18′22″E 25°19′35″N 55°19′57″E 25°18′38″N 55°19′50″E 25°17′59″N 55°19′47″E Substitute Depth 12.3 meters (SD) enclosed by dotted-line circle [I4] centered for depth 16.5 meters 25°25′19″N 55°20′23″E Substitute Depth 12.6 meters for depth 12.9 meters 25°26′58″N 55°23′15″E Add Depth 15.8 meters 25°24′55″N 55°19′53″E Depth 18.2 meters 25°25′59″N 55°19′35″E and extend depth contour (20-meter) W to enclose (UKHO ARCS 3176-0, 3412-0)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 05/04/19

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