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)