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. 3939(P)/25 INDONESIA —  Sumatera — Submarine cable. Works. Source: Indonesian Notice 25/225(P)/25 1. A submarine cable is being laid from Batam to Jakarta, joining the following positions: 1° 10' .02N. , 104° 08' .32E. 1° 10' .00N. , 104° 08' .47E. 1° 12' .90N. , 104° 09' .39E. 1° 12' .92N. , 104° 09' .41E. 1° 12' .93N. , 104° 09' .43E. 1° 16' .60N. , 104° 28' .24E. 1° 17' .41N. , 104° 42' .27E. 1° 17' .47N. , 104° 42' .41E. 1° 12' .11N. , 104° 55' .82E. 0° 43' .18N. , 105° 31' .46E. 0° 42' .99N. , 105° 31' .61E. 1° 04' .54S. , 106° 50' .87E. 2° 27' .88S. , 109° 05' .19E. 2° 28' .21S. , 109° 05' .43E. 2° 37' .82S. , 109° 08' .81E. 2° 38' .13S. , 109° 08' .82E. 5° 35' .43S. , 107° 12' .98E. 5° 52' .38S. , 107° 09' .28E. 5° 58' .18S. , 107° 07' .73E. 5° 58' .27S. , 107° 07' .65E. 2. Charts will be updated when works are complete. 3. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. (WGS84 DATUM)