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)