Chart correction N21/23 — chart 91380
91380 3Ed. 06/02/12 LAST NM N20/23 N21/23 Add Anchoring and fishing prohibited area [N2.1] bound by purple composite line joining 12°53′10″N 123°54′35″E 12°52′40″N 123°54′20″E 12°53′25″N 123°53′45″E 12°53′35″N 123°53′55″E (2(27)23 Manila)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 06/02/12
Reference information — always verify against official Notices to Mariners before navigation.