Positions quoted in this Temporary 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.
								
4556(T)/23 VIETNAM —  Buoyage.								
Source: VMS-North Notice 99(T)/23								
						
	1.	Special purpose light-buoys, Fl(3+1)Y.12s have been established in the following positions:		
								
		Designation					Position
		X1						16° 11' .32N. , 108° 17' .60E.
		X2						16° 11' .05N. , 108° 17' .60E.
		X3						16° 11' .05N. , 108° 17' .32E.
		X4						16° 11' .32N. , 108° 17' .32E.
								
	2.	Mariners are advised to navigate with caution in the area.	
								
		(WGS84 DATUM)