Chart correction N9/21 — chart 44401
44401 10Ed. 7/30/16 LAST NM N5/21 N9/21 Delete AIS from buoy “B” 57°06′30.0″N 23°56′56.4″E (1(2)21 Riga)
Source: NGA U.S. Notice to Mariners · edition: 10Ed. 7/30/16
Reference information — always verify against official Notices to Mariners before navigation.