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. 3682(P)/26 CHINA —  South Coast — Depths. Lights. Buoy. Virtual aids to navigation. Coastline. Piers. Wind turbines. Source: UKHO 1. Wind turbines and lights exist within an area bounded by the following positions: 21° 22' .62N. , 111° 27' .18E. 21° 15' .88N. , 111° 27' .17E. 21° 15' .88N. , 111° 28' .30E. 21° 22' .62N. , 111° 28' .33E. 2. Depths less than charted exist to the East of Dazhu Zhou. The most significant are as follows: Depth Position 7·4m 21° 26' .40N. , 111° 23' .87E. 9·5m 21° 27' .07N. , 111° 23' .89E. 3. The port lateral buoy, Fl.R.4s No 2, in position 21° 22' .72N. , 111° 18' .50E. has been replaced by a Virtual aid to navigation (V-AIS), port lateral topmark. 4. A Virtual aid to navigation (V-AIS), port lateral topmark, has been established in the following position, 21° 23' .94N. , 111° 18' .06E. 5. New piers marked by lights have been established joining the following positions: 21° 26' .21N. , 111° 18' .60E. 21° 24' .91N. , 111° 18' .20E. and 21° 26' .27N. , 111° 18' .32E. 21° 26' .19N. , 111° 18' .67E. 6. Coastline extension works has been completed, joining the following positions: 21° 26' .01N. , 111° 17' .23E. 21° 25' .73N. , 111° 17' .21E. 21° 25' .76N. , 111° 16' .89E. 7. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. 8. Charts 1537 and 1555 will be updated when full details are available. (CGCS 2000 DATUM)