Chart correction 16/20 — chart 54421

54421 6Ed. 3/17/01 LAST NM 4/20 16/20 Delete Anchorage symbol 36°40′10″N 29°03′06″E Anchorage symbol 36°40′36″N 29°02′33″E Add Quarantine anchorage symbol [N12.8] 36°40′09″N 29°03′06″E and add Explosives anchorage symbol [N12.7] Anchorage symbol [N10] 36°39′56″N 29°03′35″E Anchorage symbol [N10] 36°38′54″N 29°06′27″E Anchorage symbol [N10] 36°38′18″N 29°06′36″E Anchorage symbol [N10] 36°37′42″N 29°05′42″E (2(8)20 Istanbul; TUR CH 312)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 3/17/01

Reference information — always verify against official Notices to Mariners before navigation.