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.

4848(P)/21 PHILIPPINE ISLANDS — Submarine cables.
Source: NAMRIA NAV PHIL 129/21

	1. Submarine cable laying operations are taking place, joining the following positions:

		12° 36' .23N. , 121° 33' .08E.

		12° 34' .77N. , 121° 35' .32E.

		12° 56' .30N. , 121° 36' .55E.

		13° 01' .75N. , 121° 38' .90E.

		13° 12' .22N. , 121° 37' .28E.

		13° 26' .82N. , 121° 34' .48E.

		13° 35' .33N. , 121° 32' .85E.

		13° 41' .90N. , 121° 31' .38E.

		13° 47' .47N. , 121° 26' .28E.

		and

		11° 59' .02N. , 122° 03' .25E.

		12° 00' .02N. , 122° 01' .88E.

		12° 08' .22N. , 121° 57' .40E.

		12° 08' .63N. , 121° 56' .55E.

		12° 09' .03N. , 121° 55' .90E.

		12° 09' .18N. , 121° 54' .62E.

		12° 08' .55N. , 121° 52' .30E.

		12° 09' .67N. , 121° 49' .03E.

		12° 15' .93N. , 121° 44' .13E.

		12° 24' .78N. , 121° 41' .48E.

		12° 30' .53N. , 121° 37' .00E.

		12° 36' .23N. , 121° 33' .08E.

		and

		11° 36' .50N. , 122° 42' .80E.

		11° 42' .08N. , 122° 39' .25E.

		11° 49' .55N. , 122° 35' .70E.

		11° 57' .38N. , 122° 20' .80E.

		11° 59' .00N. , 122° 06' .77E.

		11° 59' .02N. , 122° 03' .25E.

		11° 59' .57N. , 122° 00' .93E.

		11° 59' .33N. , 121° 59' .68E.

		11° 58' .58N. , 121° 58' .08E.

		11° 57' .87N. , 121° 57' .43E.

		11° 57' .18N. , 121° 57' .03E.

		11° 56' .95N. , 121° 56' .82E.

		and

		12° 12' .68N. , 123° 29' .03E.

		12° 09' .28N. , 123° 27' .17E.

		12° 04' .72N. , 123° 24' .80E.

		11° 56' .62N. , 123° 18' .02E.

		11° 52' .23N. , 123° 14' .00E.

		11° 48' .90N. , 123° 08' .22E.

		11° 48' .15N. , 123° 00' .23E.

		11° 44' .25N. , 122° 48' .58E.

		11° 40' .03N. , 122° 42' .63E.

		11° 36' .50N. , 122° 42' .82E.

		and

		12° 00' .25N. , 120° 14' .92E.

		11° 59' .52N. , 120° 15' .62E.

		11° 57' .53N. , 120° 18' .82E.

		11° 57' .15N. , 120° 19' .55E.

		11° 56' .97N. , 120° 23' .68E.

		11° 56' .40N. , 120° 28' .57E.

		11° 56' .27N. , 120° 30' .50E.

		11° 57' .43N. , 120° 35' .53E.

		11° 58' .52N. , 120° 39' .57E.

		11° 58' .48N. , 120° 45' .57E.

		12° 00' .13N. , 120° 50' .22E.

		11° 58' .63N. , 121° 00' .75E.

		12° 00' .72N. , 121° 04' .82E.

		12° 06' .93N. , 121° 10' .72E.

		12° 10' .93N. , 121° 19' .08E.

		12° 15' .30N. , 121° 26' .13E.

		12° 18' .02N. , 121° 28' .35E.

		12° 20' .97N. , 121° 31' .00E.

		12° 25' .12N. , 121° 34' .47E.

		12° 30' .53N. , 121° 36' .30E.

		12° 36' .23N. , 121° 33' .08E.

		and

		10° 49' .65N. , 119° 31' .12E.

		10° 57' .62N. , 119° 40' .67E.

		10° 59' .10N. , 119° 43' .55E.

		10° 59' .78N. , 119° 46' .75E.

		11° 04' .57N. , 119° 58' .72E.

		11° 06' .97N. , 120° 03' .75E.

		11° 12' .15N. , 120° 13' .20E.

		11° 16' .02N. , 120° 15' .35E.

		11° 25' .72N. , 120° 19' .52E.

		11° 30' .43N. , 120° 20' .60E.

		11° 36' .43N. , 120° 22' .30E.

		11° 42' .03N. , 120° 23' .03E.

		11° 44' .08N. , 120° 22' .82E.

		11° 53' .28N. , 120° 22' .22E.

		11° 57' .42N. , 120° 18' .75E.

		11° 59' .08N. , 120° 15' .77E.

		12° 00' .25N. , 120° 14' .92E.

		and

		8° 58' .55N. , 125° 25' .25E.

		9° 00' .00N. , 125° 25' .75E.

		9° 05' .88N. , 125° 23' .42E.

		9° 10' .63N. , 125° 18' .63E.

		9° 14' .88N. , 125° 14' .55E.

		9° 22' .72N. , 124° 56' .65E.

		9° 27' .63N. , 124° 32' .78E.

		9° 26' .13N. , 124° 22' .62E.

		9° 23' .72N. , 124° 06' .48E.

		9° 25' .33N. , 124° 00' .87E.

		9° 30' .05N. , 124° 00' .27E.

		9° 32' .20N. , 123° 58' .90E.

		9° 33' .17N. , 123° 57' .10E.

		9° 34' .57N. , 123° 56' .25E.

		9° 35' .97N. , 123° 56' .22E.

		9° 36' .87N. , 123° 56' .25E.

	2. Mariners are advised to navigate with caution in the area.

	3. Charts will be updated when full details are available.

	(WGS84 DATUM)