Chart correction N20/21 — chart 43142
43142 5Ed. 4/8/17 LAST NM N19/21 N20/21 Change Characteristic of beacon to QG 68°49′20″N 16°37′25″E (4(63956)21 Stavanger)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 4/8/17
Reference information — always verify against official Notices to Mariners before navigation.