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. 4285(P)/26 CHINA —  Yellow Sea Coast — Traffic separation schemes. Precautionary areas. Source: Chinese Bulletin Section 1 29/26 1. New Traffic Separation Schemes in the Northern part of the Yellow Sea, Bohai Sea and Liaodong Wan were implemented on 15 August 2026. 2. *The details of the reported new schemes are shown in the accompanying diagram. 3. The Northern Part of Yellow Sea Vessel Routeing Scheme has been established. The changes are as follows: 4. A. A separation line of the No 1 Traffic Separation Scheme has been established joining the following positions: 38° 41' .0N. , 121° 46' .0E. 38° 30' .0N. , 121° 43' .1E. 5. B. The limits of the No 1 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 38° 39' .8N. , 121° 47' .8E. 38° 43' .8N. , 121° 44' .7E. 38° 30' .0N. , 121° 45' .2E. 38° 30' .0N. , 121° 41' .0E. 6. C. A separation line of the No 2 Traffic Separation Scheme has been established joining the following positions: 38° 39' .2N. , 121° 50' .2E. 38° 30' .0N. , 121° 53' .8E. 7. D. The limits of the No 2 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 38° 39' .4N. , 121° 52' .1E. 38° 39' .7N. , 121° 48' .0E. 38° 30' .0N. , 121° 55' .8E. 38° 30' .0N. , 121° 51' .8E. 8. E. A separation line of the No 3 Traffic Separation Scheme has been established joining the following positions: 38° 40' .8N. , 121° 55' .0E. 38° 30' .0N. , 122° 03' .6E. 9. F. The limits of the No 3 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 38° 42' .7N. , 121° 56' .2E. 38° 39' .6N. , 121° 53' .0E. 38° 30' .0N. , 122° 08' .2E. 38° 30' .0N. , 121° 59' .4E. 10. G. A separation line of the No 4 Traffic Separation Scheme has been established joining the following positions: 38° 44' .1N. , 121° 56' .4E. 38° 35' .0N. , 122° 10' .0E. 38° 55' .04N. , 123° 21' .58E. 11. H. The limits of the No 4 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 38° 46' .3N. , 121° 55' .5E. 38° 42' .7N. , 121° 56' .2E. 38° 36' .7N. , 122° 10' .4E. 38° 41' .4N. , 121° 57' .5E. 38° 42' .2N. , 122° 30' .1E. 38° 33' .3N. , 122° 09' .6E. 38° 41' .9N. , 122° 30' .8E. 38° 39' .3N. , 122° 31' .2E. 38° 56' .34N. , 123° 22' .43E. 38° 40' .0N. , 122° 31' .6E. 38° 54' .03N. , 123° 21' .78E. 12. I. A separation line of the No 5 Traffic Separation Scheme has been established joining the following positions: 38° 53' .35N. , 123° 22' .39E. 38° 49' .53N. , 123° 19' .68E. 38° 30' .00N. , 123° 03' .65E. 13. J. The limits of the No 5 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 38° 52' .96N. , 123° 23' .13E. 38° 53' .98N. , 123° 21' .81E. 38° 49' .05N. , 123° 20' .80E. 38° 30' .00N. , 123° 02' .13E. 38° 30' .00N. , 123° 05' .16E. 14. K. A separation line of the No 6 Traffic Separation Scheme has been established joining the following positions: 38° 52' .82N. , 123° 24' .55E. 38° 48' .68N. , 123° 22' .66E. 38° 30' .00N. , 123° 16' .72E. 15. L. The limits of the No 6 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 38° 53' .56N. , 123° 26' .20E. 38° 52' .96N. , 123° 23' .13E. 38° 30' .00N. , 123° 18' .62E. 38° 49' .05N. , 123° 20' .80E. 38° 30' .00N. , 123° 14' .84E. 16. M. A separation line of the No 7 Traffic Separation Scheme has been established joining the following positions: 39° 20' .62N. , 123° 47' .33E. 38° 56' .58N. , 123° 25' .51E. 17. N. The limits of the No 7 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 39° 19' .75N. , 123° 48' .91E. 39° 21' .48N. , 123° 45' .74E. 38° 55' .29N. , 123° 26' .71E. 38° 56' .75N. , 123° 23' .33E. 18. O. A separation line of the No 8 Traffic Separation Scheme has been established joining the following positions: 39° 30' .96N. , 123° 46' .76E. 39° 30' .96N. , 123° 43' .86E. 39° 25' .53N. , 123° 32' .38E. 19. P. The limits of the No 8 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 32' .02N. , 123° 46' .76E. 39° 29' .91N. , 123° 46' .76E. 39° 32' .02N. , 123° 44' .23E. 39° 29' .90N. , 123° 43' .48E. 39° 26' .17N. , 123° 31' .88E. 39° 24' .89N. , 123° 32' .89E. 20. Q. A separation line of the No 9 Traffic Separation Scheme has been established joining the following positions: 39° 22' .91N. , 123° 29' .03E. 39° 15' .20N. , 123° 12' .75E. 39° 10' .0N. , 122° 53' .3E. 21. R. The limits of the No 9 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 24' .21N. , 123° 28' .06E. 39° 21' .61N. , 123° 30' .00E. 39° 18' .63N. , 123° 16' .39E. 39° 16' .05N. , 123° 18' .38E. 39° 17' .93N. , 123° 16' .17E. 39° 16' .22N. , 123° 17' .49E. 39° 16' .11N. , 123° 12' .21E. 39° 14' .29N. , 123° 13' .29E. 39° 11' .0N. , 122° 52' .9E. 39° 09' .1N. , 122° 53' .7E. 22. S. A separation line of the No 10 Traffic Separation Scheme has been established joining the following positions: 39° 08' .4N. , 122° 47' .2E. 39° 07' .9N. , 122° 45' .2E. 39° 06' .9N. , 122° 42' .6E. 23. T. The limits of the No 10 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 09' .4N. , 122° 46' .8E. 39° 07' .5N. , 122° 47' .6E. 39° 08' .8N. , 122° 44' .7E. 39° 07' .0N. , 122° 45' .7E. 39° 07' .8N. , 122° 42' .0E. 39° 06' .0N. , 122° 43' .3E. 24. U. A separation line of the No 11 Traffic Separation Scheme has been established joining the following positions: 39° 03' .3N. , 122° 33' .4E. 38° 47' .7N. , 121° 53' .8E. 25. V. The limits of the No 11 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 04' .1N. , 122° 32' .8E. 39° 02' .4N. , 122° 34' .0E. 38° 58' .2N. , 122° 17' .8E. 38° 56' .4N. , 122° 18' .8E. 38° 58' .4N. , 122° 16' .9E. 38° 55' .7N. , 122° 18' .5E. 38° 48' .4N. , 121° 51' .2E. 38° 46' .6N. , 121° 55' .2E. 26. W. Precautionary Area No 1 has been established, centred on 38° 43' .8N. , 121° 50' .5E. , within a circular area with a radius of 4·5 nautical miles. 27. X. Precautionary Area No 2 has been established, centred on 38° 54' .83N. , 123° 24' .17E. , within a circular area with a radius of 2 nautical miles. 28. Y. Precautionary Area No 3 has been established, within an area bounded by the following positions: 39° 24' .21N. , 123° 28' .06E. 39° 21' .61N. , 123° 30' .00E. 39° 23' .91N. , 123° 31' .13E. 39° 24' .89N. , 123° 32' .89E. 39° 26' .17N. , 123° 31' .88E. 29. Z. Precautionary Area No 4 has been established, within an area bounded by the following positions: 39° 11' .0N. , 122° 52' .9E. 39° 09' .4N. , 122° 46' .8E. 39° 07' .5N. , 122° 47' .6E. 39° 09' .1N. , 122° 53' .7E. 30 AA. Precautionary Area No 5 has been established, within an area bounded by the following positions: 39° 04' .1N. , 122° 32' .8E. 39° 02' .4N. , 122° 34' .0E. 39° 06' .0N. , 122° 43' .3E. 39° 07' .8N. , 122° 42' .0E. 31. The Laotie Shan Channel to Northern Part of Bohai Sea Vessel Routeing Scheme has been established. The changes are as follows: A. A separation line of the No 1 Traffic Separation Scheme has been established joining the following positions: 39° 04' .4N. , 120° 52' .5E. 38° 56' .0N. , 120° 51' .4E. 38° 41' .4N. , 120° 51' .4E. 32. B. A No 1 separation zone, up to 1 nautical mile wide, has been established, within an area bounded by the following positions: 39° 04' .4N. , 120° 52' .5E. 39° 05' .0N. , 120° 53' .3E. 39° 24' .7N. , 120° 55' .8E. 39° 24' .7N. , 120° 54' .5E. 39° 05' .2N. , 120° 52' .0E. 33. C. The limits of the No 1 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 39° 24' .5N. , 120° 59' .1E. 39° 25' .0N. , 120° 51' .3E. 39° 04' .8N. , 120° 56' .4E. 39° 05' .4N. , 120° 48' .8E. 39° 04' .1N. , 120° 55' .5E. 39° 04' .7N. , 120° 49' .6E. 38° 55' .9N. , 120° 54' .4E. 38° 56' .0N. , 120° 48' .5E. 38° 41' .4N. , 120° 54' .3E. 38° 40' .9N. , 120° 48' .5E. 38° 40' .9N. , 120° 54' .2E. 34. D. A No 2 separation zone, up to 1 nautical mile wide, has been established, within an area bounded by the following positions: 39° 36' .62N. , 121° 01' .46E. 39° 36' .03N. , 121° 02' .51E. 39° 55' .24N. , 121° 21' .08E. 39° 57' .82N. , 121° 22' .75E. 39° 55' .78N. , 121° 19' .94E. 35. E. A separation line of the No 2 Traffic Separation Scheme has been established joining the following positions: 40° 08' .57N. , 121° 25' .42E. 39° 57' .82N. , 121° 22' .75E. 36. F. The limits of the No 2 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 40° 08' .65N. , 121° 27' .43E. 40° 09' .31N. , 121° 23' .62E. 39° 53' .95N. , 121° 23' .84E. 39° 58' .81N. , 121° 20' .99E. 39° 34' .54N. , 121° 05' .12E. 39° 57' .09N. , 121° 17' .14E. 39° 38' .09N. , 120° 58' .84E. 37. G. A separation line of the No 3 Traffic Separation Scheme has been established joining the following positions: 40° 32' .00N. , 121° 05' .00E. 40° 15' .03N. , 121° 21' .93E. 40° 13' .02N. , 121° 23' .20E. 38. H. The limits of the No 3 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 40° 32' .91N. , 121° 06' .56E. 40° 31' .09N. , 121° 03' .44E. 40° 15' .82N. , 121° 23' .61E. 40° 14' .24N. , 121° 20' .26E. 40° 13' .98N. , 121° 24' .77E. 40° 10' .32N. , 121° 22' .73E. 39. I. A separation line of the No 4 Traffic Separation Scheme has been established joining the following positions: 40° 41' .88N. , 121° 01' .98E. 40° 38' .20N. , 121° 15' .28E. 40° 36' .84N. , 121° 21' .14E. 40° 33' .90N. , 121° 27' .00E. 40° 14' .14N. , 121° 27' .00E. 40. J. The limits of the No 4 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 40° 42' .35N. , 121° 02' .23E. 40° 41' .39N. , 121° 01' .82E. 40° 38' .66N. , 121° 15' .49E. 40° 36' .44N. , 121° 20' .02E. 40° 37' .64N. , 121° 21' .44E. 40° 33' .93N. , 121° 25' .01E. 40° 33' .92N. , 121° 28' .94E. 40° 14' .05N. , 121° 25' .08E. 40° 13' .29N. , 121° 28' .94E. 41. K. A separation line of the No 5 Traffic Separation Scheme has been established joining the following positions: 40° 32' .08N. , 121° 28' .93E. 40° 26' .95N. , 121° 40' .35E. 40° 25' .15N. , 121° 43' .15E. 42. L. The limits of the No 5 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 40° 32' .66N. , 121° 28' .93E. 40° 31' .48N. , 121° 28' .94E. 40° 27' .36N. , 121° 40' .73E. 40° 26' .54N. , 121° 39' .97E. 40° 25' .53N. , 121° 43' .57E. 40° 24' .77N. , 121° 42' .73E. 43. M. A separation line of the No 6 Traffic Separation Scheme has been established joining the following positions: 40° 20' .22N. , 121° 42' .98E. 40° 11' .94N. , 121° 29' .86E. 44. N. The limits of the No 6 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 40° 21' .37N. , 121° 41' .74E. 40° 19' .06N. , 121° 44' .23E. 40° 13' .29N. , 121° 28' .94E. 40° 09' .40N. , 121° 28' .94E. 45. O. A separation line of the No 7 Traffic Separation Scheme has been established joining the following positions: 38° 47' .73N. , 121° 07' .08E. 38° 47' .58N. , 121° 06' .68E. 38° 47' .42N. , 121° 05' .53E. 38° 47' .42N. , 121° 00' .47E. 38° 40' .65N. , 120° 54' .76E. 46. P. The limits of the No 7 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 38° 47' .28N. , 121° 07' .36E. 38° 48' .18N. , 121° 06' .80E. 38° 47' .12N. , 121° 06' .93E. 38° 48' .06N. , 121° 06' .48E. 38° 47' .12N. , 121° 00' .98E. 38° 47' .92N. , 121° 05' .48E. 38° 40' .35N. , 120° 55' .28E. 38° 47' .92N. , 121° 00' .12E. 38° 40' .89N. , 120° 54' .21E. 47. Q. Precautionary Area No 1 has been established, within an area bounded by the following positions: 39° 25' .0N. , 120° 51' .3E. 39° 24' .5N. , 120° 59' .1E. 39° 28' .9N. , 120° 59' .6E. 39° 34' .54N. , 121° 05' .12E. 39° 38' .09N. , 120° 58' .84E. 39° 34' .10N. , 120° 54' .97E. 39° 33' .30N. , 120° 49' .20E. 39° 33' .73N. , 120° 48' .28E. 39° 31' .2N. , 120° 46' .1E. 39° 28' .3N. , 120° 47' .1E. 39° 28' .0N. , 120° 51' .7E. 48. R. Precautionary Area No 2 has been established, centred on 40° 11' .36N. , 121° 26' .22E. , within a circular area with a radius of 2·85 nautical miles. 49. The Laotie Shan Channel to Southern Part of Bohai Sea Vessel Routeing Scheme has been established. The changes are as follows: 50. A. A separation line of the No 1 Traffic Separation Scheme has been established joining the following positions: 38° 48' .97N. , 120° 44' .84E. 38° 40' .20N. , 120° 47' .18E. 51. B. The No 1 separation zone, up to 1 nautical mile wide, has been established, within an area bounded by the following positions: 38° 48' .97N. , 120° 44' .84E. 38° 54' .8N. , 120° 42' .2E. 39° 03' .7N. , 120° 33' .7E. 39° 03' .1N. , 120° 32' .7E. 38° 54' .2N. , 120° 41' .1E. 52. C. The limits of the No 1 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 39° 05' .7N. , 120° 37' .2E. 39° 01' .2N. , 120° 29' .4E. 38° 56' .0N. , 120° 45' .0E. 38° 53' .0N. , 120° 38' .3E. 38° 50' .0N. , 120° 48' .5E. 38° 39' .45N. , 120° 46' .26E. 38° 40' .88N. , 120° 48' .46E. 53. D. The No 2 separation zone, up to 1 nautical mile wide, has been established, centred on a line joining the following positions: 39° 29' .0N. , 120° 04' .4E. 39° 08' .6N. , 120° 26' .4E. 54. E. The limits of the No 2 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 39° 30' .9N. , 120° 07' .3E. 39° 27' .1N. , 120° 01' .4E. 39° 10' .6N. , 120° 29' .3E. 39° 06' .6N. , 120° 23' .5E. 55. F. A separation line of the No 3 Traffic Separation Scheme has been established joining the following positions: 39° 44' .66N. , 120° 17' .28E. 39° 18' .7N. , 120° 26' .3E. 39° 11' .5N. , 120° 30' .8E. 56. G. The limits of the No 3 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 39° 44' .47N. , 120° 19' .35E. 39° 44' .86N. , 120° 15' .20E. 39° 19' .3N. , 120° 28' .2E. 39° 18' .2N. , 120° 24' .5E. 39° 12' .6N. , 120° 32' .4E. 39° 10' .6N. , 120° 29' .3E. 57. H. A separation line of the No 4 Traffic Separation Scheme has been established joining the following positions: 39° 52' .37N. , 120° 14' .55E. 39° 47' .24N. , 120° 16' .37E. 58. I. The limits of the No 4 Traffic Separation Scheme have been established joining the following positions: Eastern Limits Western Limits 39° 52' .50N. , 120° 15' .19E. 39° 52' .24N. , 120° 13' .91E. 39° 47' .37N. , 120° 16' .99E. 39° 47' .11N. , 120° 15' .73E. 59. J. A separation line of the No 5 Traffic Separation Scheme has been established joining the following positions: 39° 45' .33N. , 120° 20' .07E. 39° 39' .88N. , 120° 31' .55E. 60. K. The limits of the No 5 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 46' .19N. , 120° 20' .73E. 39° 44' .47N. , 120° 19' .35E. 39° 40' .74N. , 120° 32' .17E. 39° 39' .05N. , 120° 30' .83E. 61. L. A separation line of the No 6 Traffic Separation Scheme has been established joining the following positions: 39° 44' .50N. , 120° 00' .00E. 39° 37' .98N. , 120° 30' .43E. 62. M. The limits of the No 6 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 45' .46N. , 120° 00' .34E. 39° 43' .54N. , 119° 59' .65E. 39° 39' .05N. , 120° 30' .83E. 39° 37' .04N. , 120° 30' .08E. 63. N. A separation line of the No 7 Traffic Separation Scheme has been established joining the following positions: 39° 38' .14N. , 120° 33' .32E. 39° 36' .01N. , 120° 39' .71E. 39° 32' .47N. , 120° 47' .15E. 64. O. The limits of the No 7 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 39' .75N. , 120° 34' .27E. 39° 36' .53N. , 120° 32' .35E. 39° 37' .40N. , 120° 40' .48E. 39° 34' .62N. , 120° 38' .93E. 39° 33' .73N. , 120° 48' .28E. 39° 31' .2N. , 120° 46' .0E. 65. P. A separation line of the No 8 Traffic Separation Scheme has been established joining the following positions: 39° 29' .8N. , 120° 46' .6E. 39° 24' .4N. , 120° 26' .4E. 39° 23' .3N. , 120° 22' .7E. 39° 14' .7N. , 120° 08' .2E. 66. Q. The limits of the No 8 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 39° 31' .2N. , 120° 46' .1E. 39° 28' .3N. , 120° 47' .1E. 39° 24' .9N. , 120° 22' .2E. 39° 22' .9N. , 120° 26' .9E. 39° 15' .8N. , 120° 06' .9E. 39° 21' .7N. , 120° 23' .3E. 39° 13' .5N. , 120° 09' .3E. 67. R. A separation line of the No 9 Traffic Separation Scheme has been established joining the following positions: 38° 46' .6N. , 120° 15' .6E. 38° 42' .63N. , 120° 29' .59E. 38° 38' .79N. , 120° 45' .67E. 68. S. The limits of the No 9 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 38° 48' .3N. , 120° 15' .2E. 38° 44' .9N. , 120° 16' .1E. 38° 39' .45N. , 120° 46' .26E. 38° 41' .22N. , 120° 28' .92E. 38° 38' .06N. , 120° 45' .31E. 69. T. A Precautionary Area has been established, within an area bounded by the following positions: 39° 06' .6N. , 120° 23' .5E. 39° 01' .2N. , 120° 29' .4E. 39° 05' .7N. , 120° 37' .2E. 39° 12' .6N. , 120° 32' .4E. 70. U. A Connecting Point for the No 2 and No 8 Traffic Separation Schemes exists in an area bounded by the following positions: 39° 18' .2N. , 120° 11' .0E. 39° 15' .9N. , 120° 13' .5E. 39° 19' .6N. , 120° 19' .6E. 39° 21' .9N. , 120° 17' .2E. 71. V. A Connecting Point for the No 3 and No 8 Traffic Separation Schemes exists in an area bounded by the following positions: 39° 24' .9N. , 120° 22' .2E. 39° 21' .7N. , 120° 23' .3E. 39° 22' .9N. , 120° 26' .9E. 39° 25' .9N. , 120° 25' .9E. 72. W. A Connecting Point for the No 3 and No 6 Traffic Separation Schemes exists in an area bounded by the following positions: 39° 42' .07N. , 120° 16' .15E. 39° 39' .84N. , 120° 16' .95E. 39° 38' .90N. , 120° 21' .30E. 39° 41' .15N. , 120° 20' .51E. 73. X. A Connecting Point for the No 3, No 4 and No 5 Traffic Separation Schemes exists in an area bounded by the following positions: 39° 47' .11N. , 120° 15' .73E. 39° 44' .86N. , 120° 15' .20E. 39° 44' .47N. , 120° 19' .35E. 39° 46' .19N. , 120° 20' .73E. 39° 47' .37N. , 120° 16' .99E. 74. Y. A Connecting Point for the No 5, No 6 and No 7 Traffic Separation Schemes exists in an area bounded by the following positions: 39° 36' .53N. , 120° 32' .35E. 39° 39' .75N. , 120° 34' .27E. 39° 40' .74N. , 120° 32' .17E. 39° 39' .05N. , 120° 30' .83E. 39° 37' .04N. , 120° 30' .08E. 75. The Laotie Shan Channel to Western Part of Bohai Sea Vessel Routeing Scheme has been established. The changes are as follows: 76. A. The No 1 separation zone, up to 1 nautical mile wide, has been established, within an area bounded by the following positions: 38° 35' .91N. , 120° 45' .00E. 38° 38' .75N. , 120° 28' .58E. 38° 39' .8N. , 120° 17' .4E. 38° 38' .7N. , 120° 17' .7E. 38° 37' .75N. , 120° 28' .45E. 77. B. The limits of the No 1 Traffic Separation Scheme have been established joining the following positions: Northern Limits Southern Limits 38° 42' .3N. , 120° 16' .8E. 38° 36' .16N. , 120° 18' .38E. 38° 41' .22N. , 120° 28' .92E. 38° 33' .55N. , 120° 46' .08E. 38° 38' .06N. , 120° 45' .31E. 78. The Port of Dalian Dasan Shan Channel Vessel Routeing Scheme has been amended. The changes are as follows: 79. A. The separation line has been amended, centred on a line joining the following positions: 38° 57' .00N. , 121° 46' .20E. 38° 55' .00N. , 121° 46' .20E. 80. B. The separation zone, 0·3 nautical miles wide, has been amended, centred on a line joining the following positions: 38° 54' .40N. , 121° 46' .18E. 38° 51' .00N. , 121° 46' .18E. 81. C. The limits of the Traffic Separation Scheme have been amended joining the following positions: Eastern Limits Western Limits 38° 54' .40N. , 121° 48' .00E. 38° 54' .40N. , 121° 44' .00E. 38° 51' .00N. , 121° 48' .50E. 38° 52' .95N. , 121° 44' .00E. 38° 51' .00N. , 121° 43' .00E. 82. D. The Precautionary Area has been amended, centred on 38° 54' .45N. , 121° 46' .20E. , within a northern semicircle with a radius of 0·6 nautical miles. 83. The Laotie Shan Channel Vessel Routeing Scheme has been amended. The changes are as follows: 84. A. The limits of the southern boundary of the Traffic Separation Scheme have been amended joining the following positions: 38° 31' .90N. , 120° 54' .10E. 38° 27' .20N. , 121° 04' .10E. 85. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. 86. Charts will be updated when full details are available. 87. *Former Notice 4174(P)/26 is cancelled. *Indicates new or revised entry (CGCS 2000 DATUM)