Chart correction N42/21 — chart 93721

93721 7Ed. 3/30/19 LAST NM N41/21 N42/21 Delete Beacon 22°10′52″N 113°34′18″E Add Purple dashed line [M16] with legend “Precautionary Area (see note)” joining 22°16′28″N 113°43′40″E 22°16′26″N 113°50′15″E 22°16′20″N 113°50′46″E Purple dashed line [M16] with legend “Precautionary Area (see note)” joining 22°17′28″N 113°43′40″E 22°17′31″N 113°50′18″E 22°17′21″N 113°51′11″E Purple dashed line [M16] with legend “Precautionary Area (see note)” between 22°16′26″N 113°48′57″E 22°17′21″N 113°51′11″E Purple dashed line [M16] with legend “Precautionary Area (see note)” joining 22°15′27″N 113°39′02″E 22°18′04″N 113°39′02″E 22°19′35″N 113°42′30″E 22°19′41″N 113°43′23″E 22°19′42″N 113°50′25″E 22°19′25″N 113°51′56″E Purple dashed line [M16] with legend “Precautionary Area (see note)” between 22°14′29″N 113°39′19″E 22°11′53″N 113°39′19″E 22°13′26″N 113°42′30″E 22°14′16″N 113°49′33″E (13(55)21 Hong Kong; 36(1286)21 Tianjin)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 3/30/19

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