Chart correction 15/24 — chart 550
550 7Ed. 02/09/85 LAST NM 45/23 15/24 Delete Dangerous wreck 22°17′N 114°35′E Substitute Swept depth 15 fathoms Obstn [K42] for dangerous wreck 22°14′N 114°41′E (11(405)24 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 02/09/85
Reference information — always verify against official Notices to Mariners before navigation.