Chart correction 21/23 — chart 550
550 7Ed. 02/09/85 LAST NM 20/23 21/23 Delete Depth 184 fathoms "Rep (1981)" 10°40′N 118°04′E (4(52)23 Manila)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 02/09/85
Reference information — always verify against official Notices to Mariners before navigation.