DISC TITLE: DIGITAL NAUTICAL CHART/DNC27 - Arctic Ocean EDITION NUMBER: 020 VOLUME NUMBER: DNC27ED20 NSN: 7644014482142 RELEASE DATE: October 15, 2022 MEDIA STANDARD: ISO 9660 VPF STANDARD: 96 TOTAL LIBRARIES: 28 TOTAL CHARTS: 134 NOTICE TO MARINERS: 41/22 -------------------------------------------------------------------------------- DATABASE: /DNC27 All libraries corrected through NTM 41/22 (8 October 2022). -----GENERAL SCALE LIBRARIES: (3) GEN27A East Siberian Sea and Anadyrskiy, Russia Charts: USA 80, 532, 800, 41000, 96036 GEN27B Bering Strait, Chukchi Sea, Beaufort Sea Charts: CAN 7000, 7600; USA 532, 16003 (ENC US1AK90M), 16004 (ENC US2AK91M), 16005 (ENC US2AK92M), 16006 (ENC US2AK95M), 17000 (ENC US2ARCGD), 17000 (ENC US2ARCHD), 96036; RUS 61047 GEN27C Beaufort Sea, Canadian Arctic Ocean Charts: CAN 7000, 7600; -----COASTAL SCALE LIBRARIES: (7) COA27A Cape Kellett to Discovery Point, Canada Charts: CAN 7832, 7952 COA27B Norton Sound to Bering Strait, USA Charts: USA 16200 (ENC US3AK80M), 16200 (ENC US4AK80M), 16220 (ENC US3AK89M), 16240 (ENC US3AK83M) COA27C East Siberian Sea, Russia Charts: USA 41060 COA27D Chukchi Sea, Russia Charts: RUS 12429, 12430, 12431 COA27E Anadyrskiy Zaliv, Chukchi Sea, Russia Charts: USA 96600, 96620, 96640, 96680; RUS 11150, 11151 COA27F Anadyrskiy Zaliv, Russia Charts: RUS 62290, 62291, 62292 COA27G Demarcation Point to Amundsen Gulf, Canada Charts: CAN 7521, 7608, 7620, 7621, 7661, 7662, 7663, 7664, 7665, 7666 -----APPROACH SCALE LIBRARIES: (9) A2720410 Port Clarence, Alaska Charts: 16204 (ENC US4AK81M), ENC US4AK6SK, ENC US4AK6SL, ENC US4AK6SM, ENC US4AK6TK, ENC US4AK6TL, ENC US4AK6TM, ENC US4AK6UK, ENC US4AK6UL A2720460 Point Hope to Kukpowruk Pass, Alaska Charts: ENC US4AK7DB, ENC US4AK7DC, ENC US4AK7EB, ENC US4AK7EC, ENC US4AK7FB, ENC US4AK7FC, ENC US4AK7FD, ENC US4AK7FE, ENC US4AK7GB, ENC US4AK7GC, ENC US4AK7GD, ENC US4AK7GE, ENC US4AK7HE, ENC US4AK7HF, ENC US4AK7IE, ENC US4AK7IF A2720470 Point Lay to Peard Bay, Alaska Charts: ENC US4AK7JE, ENC US4AK7JF, ENC US4AK7JG, ENC US4AK7KF, ENC US4AK7KG, ENC US4AK7KH, ENC US4AK7LG, ENC US4AK7LH, ENC US4AK7LI, ENC US4AK7MH, ENC US4AK7MI A2720480 Harrison Bay to Skull Cliff Vicinity, USA Charts: ENC US4AK7IM, ENC US4AK7KO, ENC US4AK7LJ, ENC US4AK7LN, ENC US4AK7LO, ENC US4AK7MJ, ENC US4AK7MK, ENC US4AK7ML, ENC US4AK7MM, ENC US4AK7MN, ENC US4AK7MO, ENC US4AK7NJ, ENC US4AK7NK, ENC US4AK7NL, ENC US4AK7NM, ENC US4AK7OK A2720483 Brownlow Point to Harrison Bay, Alaska Charts: ENC US4AK7JS, ENC US4AK7JT, ENC US4AK7KP, ENC US4AK7KQ, ENC US4AK7KR, ENC US4AK7KS, ENC US4AK7KT, ENC US4AK7LP, ENC US4AK7LQ, ENC US4AK7LR, ENC US4AK7MP A2720486 Camden Bay to Demarcation Bay, Alaska Charts: ENC US4AK7IW, ENC US4AK7IX, ENC US4AK7JU, ENC US4AK7JV, ENC US4AK7JW, ENC US4AK7JX, ENC US4AK7KU, ENC US4AK7KV A2720490 McKinley Bay, Canada Charts: CAN 7608 Inset, 7663 Inset A2720492 Approach to Police Point, Canada Charts: CAN 7686 Plan A2720493 Approach to Paulatuk Harbor, Canada Charts: CAN 7687 -----HARBOR SCALE LIBRARIES: (8) H2720400 Nome Harbor, Alaska Charts: USA 16206 (ENC US5AK82M-1), 16206 (ENC US5AK82M-2) H2720486 Bernard Harbor, Alaska Charts: USA 16043 (ENC US5AK9CM) H2720490 Trent Bay, Canada Charts: CAN 7662 Plan H2720491 Tuktoyaktuk Harbor, Canada Charts: CAN 7685 H2720492 Summers Harbor, Canada Charts: CAN 7686 Plan-1, 7686 Plan-2, 7686 Plan-3 H2720494 Pearce Point Harbor, Canada Charts: CAN 7666 Plan H2720495 Tysoe Point, Canada Charts: CAN 7666 Plan H2720496 Sachs Harbor, Canada Charts: CAN 7521 Plan, 7621 Plan -----BROWSE LIBRARY: (1) BROWSE DNCDX027 Library Index Charts: N/A ------------------------------------------------------------------------------------ The distribution of DNC® is authorized to U.S. Department of Defense and contractors. DNC® updated by the Vector Product Format (VPF) Database Update (VDU) is authorized for navigation on certified systems such as the Electronic Chart Display and Information System-Navy (ECDIS-N) or comparable systems (33 CFR 164.01). DNC® Regions 18, 26, 27 and 28 are produced in partnership with Canadian Forces Mapping and Charting Establishment Hydrographic Services Office (Esquimalt). The DNC® is an unclassified vector-based digital geospatial intelligence database depicting significant features essential for safe marine navigation. DNC® consists of 29 DNC® Regions and is available on DVD-ROM and also available via the NGA Gateway: Digital patch updates and textual corrections to DNC® are also available via the NGA Gateway. Navigators must apply these changes per applicable system operating instructions to keep databases current and safe for navigation between new editions of DNC®. New editions of DNC® will be announced in Section II of the U.S. Notice to Mariners. DNC® New Edition/VDU Libraries and Patches ------------------------------------------ NIPRnet: https://dnc.geo.nga.mil WWW: https://dnc.nga.mil DNC® Updated Libraries ---------------------- NIPRnet: https://www.geointel.nga.mil/products/dnc/index.php Authorized users of DNC® are requested to immediately report any safety of navigation related discrepancy that may be detected on DNC® to NGA's 24-hour World-Wide Navigational Warning Service Broadcast Desk via: 1. DMS message at NGA NAVSAFETY 2. AUTODIN message at NGA NAVSAFETY WASHINGTON DC 3. Phone: Comm 571-557-5455, 1-800-362-NAVY, or DSN 547-5455 In the report, the user must identify which electronic charting system/ECDIS-N, including the software version, is being used, the DNC® library number, DNC® DVD edition number and a description of the discrepancy. Upon receipt of the report, NGA will take immediate action to determine if corrective action is necessary and, if so, will advise all users accordingly via the HYDROLANT and HYDROPAC broadcast service. NGA Maritime Division provides access to marine safety information databases and products. Included are the U.S. Notice to Mariners and other selected NGA Navigation Publications in PDF format; a marine navigation calculator; and corrections to all NGA, NOS, and USCG hydrographic products. NGA Maritime Division Home Pages -------------------------------- NIPRnet: https://msi.geo.nga.mil WWW: https://msi.nga.mil ------------------------------------------------------------------------------------------ END: