Positions quoted in this Preliminary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC. Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected. 3184(P)/26 VIETNAM — Harbour limits. Anchor berths. Pilot boarding places. Source: ENCs V1300001, V1300002 and V14N0003 1. There have been extensive changes to the harbour limits of Hai Phong, Cam Pha and Quang Ninh, and other charted details. 2. The limit of Hai Phong Harbour has been extended and now joins the following positions: 20° 46' .67N. , 106° 48' .79E. 20° 36' .68N. , 106° 49' .21E. 20° 35' .94N. , 106° 48' .45E. 20° 41' .17N. , 106° 42' .34E. 3. and 20° 39' .98N. , 107° 07' .21E. 20° 36' .00N. , 107° 07' .22E. 4. The limit of Quang Ninh Harbour has been extended and now joins the following positions: 20° 42' .57N. , 107° 11' .60E. 20° 42' .25N. , 107° 11' .60E. 20° 42' .25N. , 107° 09' .05E. 20° 43' .29N. , 107° 09' .05E. 20° 43' .44N. , 107° 09' .65E. 5. The limit of Cam Pha Harbour has been extended and now joins the following positions: 20° 42' .57N. , 107° 15' .50E. 20° 38' .50N. , 107° 15' .50E. 20° 38' .51N. , 107° 11' .60E. 20° 42' .57N. , 107° 11' .60E. 6. The following anchor berths have been moved: Designation Former position Position Radius HVSQN1 20° 43' .26N. , 107° 08' .84E. 20° 42' .65N. , 107° 09' .65E. 450m HVSQN2 20° 43' .26N. , 107° 09' .37E. 20° 43' .10N. , 107° 09' .37E. 450m 7. A pilot boarding area, radius 1·5NM, has been established in the following position: 20° 41' .22N. , 107° 12' .15E. 8. The pilot boarding place in position 20° 49' .19N. , 107° 17' .29E. has been removed. 9. These and other changes will be included in the New Edition of Chart 3875, to be published mid 2026. 10. Charts 3881, 3882, 3888 and 1965 will be updated by Notice to Mariners. 11. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. (WGS84 DATUM)