Chart correction 30/21 — chart 43166
43166 2Ed. 8/21/76 LAST NM 29/21 30/21 Substitute Depth 2 fathoms 6 feet Rk [K14.2] for depth 4 fathoms 5 feet 67°30′44″N 14°42′32″E Add Depth 1 fathom 4 feet Rk [K14.2] 67°30′47″N 14°42′39″E Submarine cable [L30.1] joining 67°31′21″N 14°46′12″E 67°31′25″N 14°46′05″E 67°31′32″N 14°46′18″E 67°31′56″N 14°46′18″E 67°37′08″N 14°55′00″E Submarine cable [L30.1] joining 67°31′21″N 14°46′12″E 67°31′23″N 14°46′08″E 67°31′29″N 14°46′06″E 67°31′38″N 14°45′53″E 67°31′42″N 14°45′40″E 67°31′38″N 14°43′25″E 67°31′16″N 14°42′25″E 67°31′07″N 14°41′03″E 67°30′07″N 14°37′37″E 67°25′13″N 14°32′38″E 67°25′00″N 14°32′52″E (See 23/04) (22(1132)05, 7(472)07, 20(57961)17 Stavanger)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 8/21/76
Reference information — always verify against official Notices to Mariners before navigation.