Chart correction N40/21 — chart 17520

17520 2Ed. 5/13/95 LAST NM N46/19 N40/21 Add Rock awash [K12] 49°11′16″N 123°55′11″W (8/21 Ottawa) ★18010 22Ed. 9/12 LAST NM 25/21 40/21 Add Note “MARINER ACTIVATED SOUND SIGNAL (MRASS) Sound Signals labeled with (MRASS) require user activation. See USCG Light List.” 38°37.7′N 121°16.2′W Legend “(MRASS)” to light “1” 39°13.7′N 123°46.4′W (NOS; 32/21 CG11) ★18440 31Ed. 4/17 LAST NM 21/21 40/21 Delete Buoy “AO” 47°58.9′N 122°14.8′W (31/21 CG13) ★18441 49Ed. 4/20 LAST NM 34/21 40/21 Delete Buoy 47°58′57″N 122°14′47″W (31/21 CG13) ★18443 17Ed. 1/10 LAST NM 34/21 40/21 Delete Buoy “AO” 47°58′57″N 122°14′47″W (31/21 CG13) ★18444 17Ed. 11/09 LAST NM 34/21 40/21 Delete Buoy “AO” 47°58′56.8″N 122°14′47.4″W (See 43/19) (31/21 CG13) ★18502 88Ed. 2/17 LAST NM 34/21 40/21 Relocate Buoy “8” from 46°54′29″N 124°11′00″W to 46°54′27″N 124°11′04″W Light “33” from 46°57′49″N 123°58′36″W to 46°57′50″N 123°58′31″W (32, 33/21 CG13) ★18524 38Ed. 11/17 LAST NM 33/21 40/21 (Left Panel) Relocate Buoy “25” from 46°05′36.0″N 122°55′29.8″W to 46°05′36.4″N 122°55′32.6″W (31/21 CG13) ★18561 13Ed. 12/11 LAST NM 18/18 40/21 Relocate Buoy “2” from 44°48′27″N 124°04′26″W to 44°48′29″N 124°04′32″W (34/19 CG13) ★18583 40Ed. 10/11 LAST NM 38/21 40/21 Delete Light “13” 44°00′06.2″N 124°07′22.8″W Light “14” 43°59′22.5″N 124°07′15.7″W Beacon “25” 43°58′07.6″N 124°07′06.0″W Ra Ref from beacon 43°57′53.5″N 124°06′16.5″W Change Front range light to Fl W 2.5s 21ft 44°00′58.7″N 124°07′49.7″W Lines 3-5 of NOTE B CAUTION to “to Siuslaw River is subject to frequent change.” 44°00′32.0″N 124°06′37.0″W Add Buoy “6” R, nun 44°00′53.8″N 124°07′54.3″W Buoy “4” R, nun 44°00′59.1″N 124°08′02.3″W Light “13” Fl G 2.5s 20ft 5M 44°00′10.1″N 124°07′25.4″W Light “14” Fl R 4s 19ft 4M 43°59′19.4″N 124°07′17.1″W Beacon “25” G 43°58′05.5″N 124°07′01.9″W (35/19, 5, 11, 18/21 CG13) ★18620 24Ed. 2/12 LAST NM 24/21 40/21 Add Note “MARINER ACTIVATED SOUND SIGNAL (MRASS) Sound Signals labeled with (MRASS) require user activation. See USCG Light List.” 40°02.4′N 123°57.3′W Legend “(MRASS)” to light “1” 39°13.7′N 123°46.4′W (NOS; 32/21 CG11)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 5/13/95

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