Chart correction N18/20 — chart 13263

★13263 9Ed. 6/22/13 LAST NM N2/20 N18/20 Substitute V-AIS, ball topmark [S18.5] for buoy “PBA” 43°55.6′N 68°39.6′W (11, 12/20 CG1) ★13302 25Ed. 4/19 LAST NM 51/19 18/20 Substitute V-AIS, ball topmark [S18.5] for buoy “BPA” 43°55′37″N 68°39′37″W (11, 12/20 CG1) ★13303 15Ed. 3/17 LAST NM 47/18 18/20 Substitute V-AIS, ball topmark [S18.5] for buoy “PBA” 43°55′37″N 68°39′37″W (11, 12/20 CG1) ★13309 30Ed. 2/16 LAST NM 17/20 18/20 Change Characteristic of buoy “2A” to Fl R 6s 44°25′23″N 68°58′59″W (continued on next page) SECTION I NM 18/20 I-1.3 13309 (Continued) Change Characteristic of buoy “3” to Fl G 6s 44°25′19″N 68°59′02″W (See 31/19) (13/20 CG1; USCG LL) ★17428 12Ed. 6/15 LAST NM 39/18 18/20 Delete Buoy “4A” 55°20′22″N 131°39′01″W (51/19 CG17) ★17430 12Ed. 11/13 LAST NM 30/15 18/20 (Lower Panel) Delete Buoy “4A” 55°20′21.7″N 131°39′00.3″W (Upper Panel) Delete Buoy “4A” 55°20′21.7″N 131°39′00.3″W (51/19 CG17) ★17434 14Ed. 10/13 LAST NM 30/19 18/20 Delete Buoy 55°20′22″N 131°39′01″W (51/19 CG17) ★18531 24Ed. 12/17 LAST NM 11/20 18/20 (Upper Panel) Change Light to “2” Fl R 4s 38ft 4M 45°36′11.1″N 122°38′06.2″W (12/20 CG13) ★18720 35Ed. 4/20 NEW EDITION 18/20 (NOS)

Source: NGA U.S. Notice to Mariners · edition: 9Ed. 6/22/13

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