Positions quoted in the 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 in the ENCs affected.

1401(P)/18 INDONESIA  Sumatera  South China Sea, Singapore Strait and Malacca Strait.  Submarine cables. 
Source: Indonesian Notices 5/49/18, 7/67/18 and 8/77/18

	1. Submarine cable laying operations are taking place in connection with Palapa Ring cable system, joining the following positions:

	2. Section A: 

 	   3 13' .67N. , 106 13' .39E. (shore)
 	   3 14' .13N. , 106 13' .25E. 
 	   3 14' .92N. , 106 13' .42E. 
 	   3 15' .15N. , 106 13' .32E. 
      	   3 16' .86N. , 106 10' .52E. 
 	   3 17' .47N. , 106 09' .79E. 
 	   3 18' .30N. , 106 08' .03E. 
 	   3 21' .92N. , 106 06' .44E. 
	   3 24' .29N. , 106 07' .46E. 
 	   3 28' .35N. , 106 15' .20E. 
 	   3 27' .08N. , 107 45' .19E. 
 	   3 29' .62N. , 107 52' .31E. 
 	   3 26' .56N. , 108 05' .17E. 
 	   3 29' .95N. , 108 17' .75E. 
 	   3 35' .67N. , 108 23' .69E. 
 	   3 40' .41N. , 108 25' .27E. 
	   3 42' .18N. , 108 25' .31E. 
 	   3 43' .79N. , 108 23' .02E. 
 	   3 43' .73N. , 108 18' .43E. (shore)
 
	 3. Section B: 

	   1 10' .06N. , 104 08' .33E. (shore)
 	   1 10' .16N. , 104 08' .55E. 
 	   1 12' .31N. , 104 09' .55E. 
 	   1 12' .40N. , 104 15' .02E. 
 	   1 12' .51N. , 104 15' .07E. 
 	   1 13' .25N. , 104 19' .67E. 
 	   1 13' .19N. , 104 19' .75E. 
 	   1 14' .91N. , 104 24' .81E. 
 	   1 18' .03N. , 104 35' .25E. 
 	   1 20' .99N. , 104 48' .16E. 
 	   1 36' .83N. , 104 56' .52E. 
 	   1 37' .57N. , 105 01' .24E. 
 	   1 37' .15N. , 105 02' .45E. 
 	   1 37' .30N. , 105 03' .66E. 
 	   2 13' .74N. , 105 34' .47E. 
 	   2 20' .05N. , 105 43' .66E. 
 	   2 25' .86N. , 105 44' .35E. 
 	   2 37' .76N. , 105 54' .04E. 
 	   3 10' .82N. , 106 03' .51E. 
 	   3 15' .64N. , 106 07' .53E. 
	   3 15' .50N. , 106 12' .59E. 
 	   3 15' .18N. , 106 13' .19E. 
	   3 14' .78N. , 106 13' .32E. 
 	   3 14' .11N. , 106 13' .22E. 
 	   3 13' .67N. , 106 13' .39E. (shore)
 
	  4. Sections D and E: 

	   0 01' .10S. , 104 36' .80E. (shore)
 	   0 00' .65N. , 104 39' .59E. 
 	   0 00' .55S. , 104 43' .46E. 
 	   0 01' .10S. , 104 46' .13E. 
 	   0 00' .10N. , 104 48' .49E. 
 	   0 12' .18N. , 104 55' .45E. 
 	   0 14' .32N. , 104 55' .65E. 
 	   0 20' .72N. , 104 58' .88E. 
 	   0 35' .66N. , 105 02' .28E. 
 	   0 41' .81N. , 105 02' .76E. 
 	   1 03' .87N. , 104 55' .74E. 
 	   1 14' .16N. , 104 40' .71E. 
 	   1 15' .06N. , 104 35' .34E. 
	   1 15' .45N. , 104 32' .81E. 
	   1 15' .14N. , 104 28' .59E. 
 	   1 14' .56N. , 104 25' .83E. 
 	   1 12' .92N. , 104 22' .59E. 
 	   1 13' .01N. , 104 21' .84E. 
 	   1 12' .32N. , 104 19' .53E. 
 	   1 11' .91N. , 104 19' .01E. 
 	   1 11' .76N. , 104 18' .57E. 
 	   1 11' .46N. , 104 09' .37E. 
 	   1 11' .06N. , 104 08' .83E. 
 	   1 10' .16N. , 104 08' .55E. 
 	   1 10' .06N. , 104 08' .33E. (shore)
 
	  5.Section F: 

 	   1 08' .45N. , 103 55' .49E. (shore)
 	   1 09' .03N. , 103 55' .73E. 
 	   1 09' .59N. , 103 55' .08E. 
     	   1 10' .04N. , 103 54' .47E. 
 	   1 10' .56N. , 103 54' .46E. 
 	   1 10' .89N. , 103 53' .17E. 
 	   1 10' .68N. , 103 52' .00E. 
 	   1 07' .13N. , 103 45' .66E. 
 	   1 05' .96N. , 103 45' .83E. 
	   1 01' .06N. , 103 39' .60E. 
 	   1 03' .44N. , 103 34' .68E. 
 	   1 02' .09N. , 103 32' .47E. 
 	   0 59' .43N. , 103 32' .59E. 
 	   0 59' .00N. , 103 29' .76E. 
 	   0 59' .85N. , 103 26' .64E. (shore)
 
	  6. Section G: 

 	   1 03' .07N. , 103 18' .79E. (shore)
 	   1 02' .80N. , 103 17' .86E. 
 	   1 14' .03N. , 103 03' .81E. 
 	   1 14' .69N. , 103 01' .97E. 
 	   1 15' .89N. , 102 53' .96E. 
 	   1 16' .15N. , 102 47' .91E. 
 	   1 15' .20N. , 102 42' .76E. 
 	   1 13' .10N. , 102 39' .19E. 
 	   1 11' .48N. , 102 38' .71E. 
 	   1 07' .12N. , 102 39' .17E. 
 	   1 05' .03N. , 102 38' .69E. 
 	   1 02' .53N. , 102 37' .86E. 
 	   1 01' .69N. , 102 37' .17E. 
 	   1 01' .08N. , 102 37' .03E. 
 	   1 00' .49N. , 102 37' .19E. 
 	   0 59' .64N. , 102 37' .14E. (shore)
 
	 7. Section K: 

	   0 14' .55S. , 104 28' .00E. (shore)
 	   0 14' .81S. , 104 28' .11E. 
 	   0 15' .03S. , 104 27' .69E. 
 	   0 14' .88S. , 104 27' .18E. 
 	   0 14' .95S. , 104 26' .64E. 
 	   0 14' .80S. , 104 25' .43E. 
 	   0 15' .07S. , 104 24' .82E. 
 	   0 13' .97S. , 104 14' .20E. 
 	   0 13' .90S. , 104 08' .27E. 
 	   0 16' .54S. , 104 03' .74E. 
 	   0 19' .50S. , 104 00' .70E. 
 	   0 47' .15S. , 103 31' .75E. 
 	   0 48' .44S. , 103 30' .58E. (shore)
 
	8. Mariners are advised to navigate with caution in the area.

	9. Charts will be updated when the works are complete.

	   (WGS84 DATUM)