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. 3602(P)/26 VIETNAM —  Depths. Fairways. Virtual aids to navigation. Obstructions. Lights. Source: ENC V14S0034 1. There are numerous changes to depths, fairways and aids to navigation in the approaches to Ho Chi Minh City. 2. Depths less than charted exist. The most significant are as follows: Depth Position 6·3m 10° 35' .77N. , 106° 46' .85E. 8m 10° 35' .86N. , 106° 46' .88E. 5·4m 10° 38' .52N. , 106° 45' .57E. 3·6m 10° 38' .86N. , 106° 44' .74E. 4·9m 10° 38' .92N. , 106° 44' .64E. 9·4m 10° 37' .54N. , 106° 50' .33E. 9·5m 10° 37' .92N. , 106° 49' .21E. 9·4m 10° 39' .96N. , 106° 47' .47E. 7·2m 10° 43' .22N. , 106° 45' .26E. 8·7m 10° 45' .86N. , 106° 45' .13E. 3. Obstructions exist in the following positions: Depth Position 9·9m 10° 41' .19N. , 106° 45' .82E. 9·4m 10° 43' .75N. , 106° 45' .28E. 4. The light, Fl.R.3s ‘62’, has been moved to position 10° 36' .08N. , 106° 46' .44E. 5. The following lights have been amended: Former Characteristic New Characteristic Position Fl(3+1)10s2·5M Fl(3)10s2·5M 10° 42' .43N. , 106° 44' .73E. Fl(3+1)10s2·5M Fl(3)10s2·5M 10° 42' .59N. , 106° 44' .59E. Fl(4+1)G.12s4M Fl(4+1)12s2·5M 10° 45' .88N. , 106° 45' .29E. Fl(4+1)12s9M Fl(4+1)12s2·5M 10° 45' .92N. , 106° 45' .32E. 6. These changes will be included in a New Edition of Chart 1036 to be published late 2026. 7. Mariners are advised to navigate with caution in the area. (WGS84 DATUM)