Chart correction N31/21 — chart 43141
43141 6Ed. 3/23/13 LAST NM N30/21 N31/21 Delete Buoy 68°56.52′N 16°39.15′E Substitute Beacon QG for buoy 68°55.77′N 16°39.31′E Add Light QR to beacon 68°53.93′N 16°38.83′E Light Iso G 2s to beacon 68°56.57′N 16°39.06′E Light QW to beacon 68°56.42′N 16°39.97′E (9(64612, 64613, 64615, 64551)21 Stavanger)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 3/23/13
Reference information — always verify against official Notices to Mariners before navigation.