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.											
											
2663(P)/26 VIETNAM  Fairways.Buoyage.Depths.Turning circle.Harbour limits.Two-way routes.											
Source: ENCs V14S0021 and V1300013											
											
	1.	A new fairway, marked by buoys and with a least depth of 14m, has been established, bounded by the following positions:									
											
		16 08' .95N.,108 10' .85E.
									
		16 08' .17N.,108 10' .10E.
									
		16 08' .01N.,108 09' .98E.
									
		16 07' .84N.,108 09' .76E.
									
		16 07' .72N.,108 09' .42E.
									
		16 07' .72N.,108 09' .06E.
									
		16 07' .88N.,108 08' .59E.
									
		16 08' .03N.,108 08' .48E.
									
		16 08' .13N.,108 08' .45E.
									
		16 08' .30N.,108 08' .55E.
									
		16 08' .28N.,108 08' .80E.
									
		16 08' .04N.,108 08' .86E.
									
		16 07' .84N.,108 09' .04E.
									
		16 07' .83N.,108 09' .33E.
									
		16 07' .92N.,108 09' .65E.
									
		16 08' .06N.,108 09' .85E.
									
		16 09' .00N.,108 10' .78E.									
											
	2.	A new fairway, marked by buoys, has been established, bounded by the following positions:									
											
		16 10' .01N.,108 11' .03E.
									
		16 07' .35N.,108 12' .44E.
									
		16 07' .13N.,108 12' .69E.
									
		16 06' .94N.,108 12' .99E.
									
		16 06' .89N.,108 13' .10E.
									
		16 06' .87N.,108 13' .26E.
									
		16 06' .92N.,108 13' .70E.
									
		16 06' .60N.,108 14' .24E.
									
		16 06' .38N.,108 14' .41E.
									
		16 06' .28N.,108 14' .46E.
									
		16 06' .21N.,108 14' .48E.
									
		16 05' .74N.,108 14' .26E.
									
		16 05' .76N.,108 14' .21E.
									
		16 06' .06N.,108 14' .35E.
									
		16 06' .22N.,108 14' .45E.
									
		16 06' .37N.,108 14' .39E.
									
		16 06' .57N.,108 14' .21E.
									
		16 06' .63N.,108 14' .12E.
									
		16 06' .80N.,108 13' .83E.
									
		16 06' .81N.,108 13' .66E.
									
		16 06' .86N.,108 13' .54E.
									
		16 06' .82N.,108 13' .26E.
									
		16 06' .84N.,108 13' .07E.
									
		16 06' .91N.,108 12' .94E.									
											
	3.	and									
											
		16 07' .06N.,108 12' .64E.
									
		16 07' .31N.,108 12' .39E.
									
		16 09' .99N.,108 10' .97E.									
											
	4.	A turning circle, radius 330m, has been established, centred on 16 08' .11N.,108 08' .65E.									
											
	5.	Depths less than charted exist within Au Tho Quang. The most significant are as follows:									
											
		Depth						Position
			
		51m						16 06' .92N.,108 13' .29E.
			
		51m						16 06' .92N.,108 13' .48E.			
											
	6.	Da Nang Harbour Limit has been extended, and now joins the following positions:									
											
		16 12' .64N.,108 12' .51E.
									
		16 13' .87N.,108 14' .20E.
									
		16 10' .64N.,108 16' .74E.
									
		16 09' .33N.,108 14' .95E.									
											
	7.	My Khe Harbour Limit has been amended, and now joins the following positions:									
											
		16 05' .15N.,108 14' .97E.
									
		16 05' .15N.,108 18' .21E.
									
		16 03' .10N.,108 18' .21E.
									
		16 03' .10N.,108 14' .96E.									
											
	8.	The two-way route, joining the following positions, no longer exists:									
											
		16 06' .90N.,108 13' .01E.
									
		16 03' .13N.,108 13' .46E.									
											
	9.	Mariners are advised to navigate with caution in the area.									
											
	10.	These changes will be included in a New Edition of Chart 3884 to be published mid 2026.									
											
		(WGS84 DATUM)