Chart correction N49/21 — chart 71066
71066 3Ed. 02/23/19 LAST NM N16/20 N49/21 Change Period of light to 14s 4°09′21″N 100°37′08″E (See N41/19) (8(152)21 Port Klang)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 02/23/19
Reference information — always verify against official Notices to Mariners before navigation.