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.

5550(P)/20 PHILIPPINE ISLANDS — Luzon — Submarine cables.
Source: PH NAV 121 20

	1. Submarine cables are being laid, joining the following positions:

		12° 34' .83N. , 122° 15' .77E.

		12° 35' .06N. , 122° 15' .71E.

		12° 35' .27N. , 122° 15' .46E.

		12° 35' .61N. , 122° 15' .46E.

		12° 36' .40N. , 122° 15' .71E.

		12° 36' .90N. , 122° 16' .01E.

		12° 37' .59N. , 122° 16' .44E.

		12° 37' .97N. , 122° 16' .54E.

		12° 38' .16N. , 122° 16' .54E.

		12° 39' .76N. , 122° 16' .17E.

		12° 51' .77N. , 122° 10' .35E.

		12° 53' .55N. , 122° 08' .77E.

		12° 57' .75N. , 122° 06' .96E.

		13° 08' .21N. , 122° 00' .11E.

		13° 12' .58N. , 121° 56' .77E.

		13° 13' .82N. , 121° 56' .22E.

		13° 14' .27N. , 121° 56' .19E.

		13° 14' .71N. , 121° 56' .45E.

		13° 15' .20N. , 121° 56' .53E.

             2. and

		12° 34' .41N. , 122° 14' .96E.

		12° 34' .54N. , 122° 14' .94E.

		12° 34' .67N. , 122° 14' .78E.

		12° 34' .64N. , 122° 14' .42E.

		12° 34' .60N. , 122° 14' .34E.

		12° 34' .33N. , 122° 14' .14E.

		12° 34' .22N. , 122° 13' .82E.

		12° 34' .29N. , 122° 13' .36E.

		12° 35' .33N. , 122° 11' .61E.

		12° 35' .87N. , 122° 10' .62E.

		12° 36' .18N. , 122° 10' .01E.

		12° 36' .32N. , 122° 09' .00E.

		12° 36' .92N. , 122° 08' .32E.

		12° 37' .05N. , 122° 08' .02E.

		12° 37' .08N. , 122° 07' .76E.

		12° 37' .06N. , 122° 07' .59E.

		12° 36' .99N. , 122° 07' .35E.

		12° 36' .99N. , 122° 07' .32E.

	     3. and

		12° 15' .4N. , 122° 03' .3E.

		12° 15' .4N. , 122° 03' .4E.

		12° 15' .6N. , 122° 04' .5E.

		12° 15' .6N. , 122° 06' .5E.

		12° 15' .5N. , 122° 09' .2E.

		12° 10' .0N. , 122° 32' .7E.

		12° 10' .3N. , 122° 35' .4E.

		12° 11' .8N. , 122° 39' .1E.

		12° 12' .8N. , 122° 40' .3E.

		12° 19' .2N. , 122° 43' .9E.

		12° 20' .4N. , 122° 44' .1E.

		12° 21' .2N. , 122° 44' .0E.

		12° 21' .8N. , 122° 43' .5E.

		12° 22' .1N. , 122° 42' .8E.

		12° 22' .3N. , 122° 42' .1E.

		12° 22' .2N. , 122° 41' .5E.

		12° 22' .2N. , 122° 41' .3E.

	4. Charts will be updated when full details become available.

	   (WGS84 DATUM)