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.

3363(P)/25 PHILIPPINE ISLANDS  Luzon  Submarine cables. Works.
Source: UKHO

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

		16 51' .6N. , 120 22' .7E.

		16 53' .0N. , 120 20' .0E.

		16 53' .8N. , 120 16' .0E.

		16 53' .1N. , 119 56' .3E.

	    	16 55' .3N. , 119 52' .4E.

		16 59' .0N. , 119 32' .9E.

		16 59' .8N. , 119 17' .4E.

		17 04' .1N. , 118 52' .0E.

		16 55' .7N. , 118 18' .2E.

		16 59' .0N. , 118 04' .4E.

		16 59' .5N. , 117 26' .4E.

		16 54' .2N. , 116 58' .1E.

		17 11' .9N. , 116 35' .0E.

		17 11' .1N. , 116 20' .8E.

		17 00' .8N. , 115 54' .6E.

		16 55' .1N. , 115 48' .6E.

	2.	and

		16 32' .6N. , 120 19' .1E.

		16 31' .1N. , 120 16' .0E.

		16 35' .7N. , 120 03' .0E.

		16 35' .4N. , 119 50' .0E.

		16 34' .2N. , 119 36' .3E.

		16 28' .6N. , 119 21' .8E.

		16 27' .8N. , 119 03' .5E.

		16 33' .6N. , 118 48' .5E.

		16 43' .9N. , 118 26' .7E.

		16 40' .2N. , 117 53' .7E.

		16 29' .9N. , 117 37' .7E.

		16 24' .3N. , 117 22' .7E.

		16 20' .1N. , 116 46' .4E.

		16 08' .7N. , 116 29' .5E.

		16 06' .9N. , 116 05' .0E.

		15 58' .2N. , 115 56' .0E.

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

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

	    (WGS84 DATUM)