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.		
		
4497(P)/25 PHILIPPINE ISLANDS  Depth.		
Source: NAMRIA		
		
	1.	A shoal depth of 164m exists in position 12 01' .07N.,120 27' .37E.
		
	2.	Mariners are advised to navigate with caution in the area.
		
	3.	Charts will be updated when full details are available.
		
		(WGS84 DATUM)