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. 4921(P)/24 SOUTH CHINA SEA —  Submarine pipeline. Platforms. Source: Indonesian Notice 33/307(P)/24 1. Pipeline laying operations are taking place, joining the following positions: 4° 08' .6N. , 105° 06' .5E. 4° 30' .2N. , 105° 13' .7E. 2. Platforms are being established in the following positions: Designation Position WHP-L 4° 30' .9N. , 105° 11' .5E. WHP-M 4° 30' .5N. , 105° 15' .0E. 3. Mariners are advised to navigate with caution in the area. (WGS84 DATUM)