NOTICE TO MARINERS
Depth of fairway for vessels to Hau river

197/TBHHTCTBĐATHHMN dated October 03^{rd},2018
TVH – 19 – 2018.
Waters: Tra Vinh province.
Fairway: fairway for vessels to Hau river.
Southern Vietnam Maritime Safety Corporation would like to inform that:
 Within the surveyed fairway for vessels to Hau river limited and guided by AtoN system, smallest depth in meters to Chart Datumn is as follows:
1) Section 1 – Fairway section of sea (from buoy “0” to the sea dike Dan Thanh commune, Duyen Hai district, Tra Vinh province (area of pair of beacons No. “9”, “12”) with 7,7km in length, as follows:
 a) Fairway section from buoy “0” to downstream pair of beacons No. “7”, “10” 200m with 6,5km in length, 150m in width, as follows:
  Shallow section on the right of fairway extends from upstream Buoy “3” +440m to upstream Buoy “5” +610m, with 1,49km in length, the furthest point encroaches 110m on fairway, the smallest depth is 5,4 m, the smallest depth at fairway center is 6,1 m.
  Shallow section across fairway extends from upstream Buoy “8” + 400m to downstream pair of buoys No. “7”, “10” 200m, with 860m in length, the smallest depth is 2,9m located contiguously to the left border of fairway, about 13,6m far from border of fairway, the smallest depth at fairway center is 5,5 m.
 Except the shallow sections above, the smallest depth is 6,5m.
 b) Fairway section from downstream pair of buoys No. “7”, “10” 200m to the sea dike Dan Thanh commune, Duyen Hai district, Tra Vinh province (area of pair of beacons No. “9”, “12”) with 1,2km in length, 85m in width, as follows:
  Shallow section on the right of fairway extends from downstream Buoy “7” 200m to upstream Buoy “7” +60m, with about 260m in length, the furthest point encroaches 31m on fairway, the smallest depth is 3,7m, located contiguously to the border of fairway.
  Shallow section on the left of fairway extends from downstream Buoy “10” 200m to upstream Buoy “10” +150m, with about 350m in length, the furthest point encroaches 40m on fairway, the smallest depth is 3,1m, located contiguously to the border of fairway.
 Existing shallow points 6,0m; 5,9m with coordinates are as follows:
Depth (m)  VN2000  WGS84  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l)  
6,0  09^{0}34’06,5” N  106^{0}31’19,6” E  09^{0}34’02,8” N  106^{0}31’26,0” E 
5,9  09^{0}34’11,1” N  106^{0}31’10,6” E  09^{0}34’07,4” N  106^{0}31’17,1” E 
  Shallow section across fairway extends from upstream Buoy “10” + 670m to the sea dike Dan Thanh commune, Duyen Hai district, Tra Vinh province (area of pair of beacons No. “9”, “12”), with 300m in length, the smallest depth at fairway center is 6,5m, the smallest depth is 4,8m.
 Except the shallow points, shallow sections above, the smallest depth is 6.5 m.
2) Section 2 – Fairway section Tat channel: from the sea dike Dan Thanh commune, Duyen Hai district, Tra Vinh province (area of pair of beacons No. “9”, “12”) to fork of Quan Chanh BoTat channels, with 8,7km in length, 85m in width, as follows:
 Existing shallow points 6,0m; 6,1m; 6,3m; 5,9m; 5,8m; 5,5m; 6,4m; 6,2m with coordinates are as follows:
Depth (m)  VN2000  WGS84  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l)  
6,0  09^{0}34’22,9” N  106^{0}31’01,1” E  09^{0}34’19,2” N  106^{0}31’07,5” E 
6,1  09^{0}34’31,0” N  106^{0}30’52,0” E  09^{0}34’27,3” N  106^{0}30’58,5” E 
6,3  09^{0}34’35,5” N  106^{0}30’46,1” E  09^{0}34’31,8” N  106^{0}30’52,5” E 
6,0  09^{0}34’35,9” N  106^{0}30’46,4” E  09^{0}34’32,3” N  106^{0}30’52,8” E 
5,9  09^{0}34’40,7” N  106^{0}30’41,0” E  09^{0}34’37,1” N  106^{0}30’47,4” E 
5,8  09^{0}34’42,5” N  106^{0}30’39,0” E  09^{0}34’38,8” N  106^{0}30’45,5” E 
5,5  09^{0}34’44,1” N  106^{0}30’37,3” E  09^{0}34’40,4” N  106^{0}30’43,7” E 
5,9  09^{0}34’49,0” N  106^{0}30’31,7” E  09^{0}34’45,3” N  106^{0}30’38,1” E 
5,9  09^{0}34’58,7” N  106^{0}30’20,7” E  09^{0}34’55,0” N  106^{0}30’27,1” E 
5,9  09^{0}35’00,2” N  106^{0}30’19,0” E  09^{0}34’56,5” N  106^{0}30’25,5” E 
6,4  09^{0}35’16,6” N  106^{0}30’00,5” E  09^{0}35’12,9” N  106^{0}30’06,9” E 
6,2  09^{0}35’18,0” N  106^{0}29’58,9” E  09^{0}35’14,4” N  106^{0}30’05,3” E 
6,4  09^{0}35’32,8” N  106^{0}29’42,1” E  09^{0}35’29,2” N  106^{0}29’48,5” E 
5,5  09^{0}35’33,9” N  106^{0}29’36,9” E  09^{0}35’30,2” N  106^{0}29’43,3” E 
  Shallow section on the left of fairway extends from upstream beacon “16” +690m to downstream beacon “18” 370m, with about 680m in length, the furthest point encroaches2m on fairway, the smallest depth is 5,
  Existing shallow points 6,1m; 5,8m; 6,4m; 5,7m; 5,4m; 6,0m with coordinates are as follows:
Depth (m)  VN2000  WGS84  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l)  
6,1  09^{0}36’27,6” N  106^{0}28’42,7” E  09^{0}36’23,9” N  106^{0}28’49,1” E 
5,8  09^{0}36’31,2” N  106^{0}28’39,2” E  09^{0}36’27,5” N  106^{0}28’45,7” E 
6,1  09^{0}36’32,6” N  106^{0}28’37,6” E  09^{0}36’28,9” N  106^{0}28’44,0” E 
6,4  09^{0}36’49,9” N  106^{0}28’16,7” E  09^{0}36’46,2” N  106^{0}28’23,1” E 
5,7  09^{0}37’20,2” N  106^{0}27’51,0” E  09^{0}37’16,5” N  106^{0}27’57,4” E 
5,4  09^{0}37’13,9” N  106^{0}27’52,1” E  09^{0}37’10,2” N  106^{0}27’58,5” E 
6,0  09^{0}37’15,6” N  106^{0}27’50,4” E  09^{0}37’12,0” N  106^{0}27’56,9” E 
  Shallow section on the left of fairway extends from upstream beacon “18” +240m to downstream beacon “20” 440m, with about 970m in length, the furthest point encroaches 2m on fairway, the smallest depth is 4,
  Shallow section on the left of fairway extends from beacon “22” to upstream beacon “22” +320m, with about 320m in length, the furthest point encroaches 4m on fairway, the smallest depth is 3,
 Except the shallow points, shallow sections above, the smallest depth is 6.5 m.
3) Section 3 – Fairway section Hau river: from the fork of Quan Chanh BoTat channels to the fork of Hau river – Quan Chanh Bo channel (area of Buoy “46”), with 20,0km in length, 85m in width, as follows:
 Existing shallow points 6,3m; 6,1m; 6,2m with coordinates are as follows:
Depth (m)  VN2000  WGS84  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l)  
6,3  09^{0}37’27,4” N  106^{0}27’27,1” E  09^{0}37’23,8” N  106^{0}27’33,5” E 
6,1  09^{0}37’28,0” N  106^{0}27’24,6” E  09^{0}37’24,4” N  106^{0}27’31,1” E 
6,3  09^{0}37’38,0” N  106^{0}26’16,6” E  09^{0}37’34,3” N  106^{0}26’23,1” E 
6,2  09^{0}37’46,9” N  106^{0}25’28,2” E  09^{0}37’43,2” N  106^{0}25’34,7” E 
  Shallow section across the fairway extends from downstream beacon “28” 630m to upstream beacon “28” +180m, with about 810m in length, the smallest depth at fairway center is 6,3m, the smallest depth in shallow section is 6,0
  Existing shallow points 5,4m; 6,3m with coordinates are as follows:
Depth (m)  VN2000  WGS84  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l)  
5,4  09^{0}37’55,7” N  106^{0}24’12,4” E  09^{0}37’52,0” N  106^{0}24’18,9” E 
6,3  09^{0}37’58,3” N  106^{0}24’05,3” E  09^{0}37’54,6” N  106^{0}24’11,8” E 
  Shallow section across the fairway extends from downstream beacon “30” 270m to upstream beacon “30” +230m, with about 500m in length, the smallest depth at fairway center is 5,6m, the smallest depth in shallow section is 4,5
  Shallow section across the fairway extends from downstream beacon “30” 270m to upstream beacon “34” +100m, with about 3,76km in length, the smallest depth at fairway center is 5,4m, the smallest depth in shallow section is 5,1
  Shallow section across the fairway extends from upstream beacon “34” 100m to beacon “36”, with about 1,0km in length, the smallest depth at fairway center is 5,3m, the smallest depth in shallow section is 2,4m located contiguously to border of fairway.
  Shallow section across the fairway extends from beacon “36” to downstream beacon “38” 940m, with about 1,0km in length, the smallest depth at fairway center is 4,8m, the smallest depth in shallow section is 4,1
  Shallow section across the fairway extends from downstream beacon “38” 940m to downstream Lang Sat ferry, with about 2,7km in length, the smallest depth at fairway center is 4,2m, the smallest depth in shallow section is 3,4
  Shallow section across the fairway extends from downstream Lang Sat ferry to upstream beacon “44”, with about 2,6km in length, the smallest depth at fairway center is 4,7m, the smallest depth in shallow section is 4,3
  Shallow section across the fairway extends from upstream beacon “44” to the fork of Hau river – Quan Chanh Bo channel (area of Buoy “46”), with about 1,0km in length, the smallest depth at fairway center is 4,3m, the smallest depth in shallow section is 1,1m located scatterly and contiguously to right border of fairway.
 Except the shallow points, shallow sections above, the smallest depth is 6.5 m.
4) Section 4 – Fairway section Hau river: from the fork of Hau river – Quan Chanh Bo channel (area of Buoy “46”) to upstream pair of buoys No. “57”, “64” (connection area of Dinh AnHau river) with 16,2km in length, smallest width of fairway bottom is 95m as follows:
  Shallow section on the right of fairway extends from buoy “46” to upstream buoy “46”+510m, with about 510m in length, the furthest point encroaches 72m on fairway, the smallest depth is 4,8m located contiguously to border of fairway.
 Existing shallow points 6,2m; 6,4m with coordinates are as follows:
Depth (m)  VN2000  WGS84  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l)  
6,2  09^{0}36’55,7” N  106^{0}16’15,0” E  09^{0}36’52,0” N  106^{0}16’21,5” E 
6,4  09^{0}37’05,5” N  106^{0}15’58,0” E  09^{0}37’01,9” N  106^{0}16’04,4” E 
6,4  09^{0}37’34,1” N  106^{0}15’09,4” E  09^{0}37’30,4” N  106^{0}15’15,9” E 
 Except the shallow points, shallow sections above, the smallest depth is 6.5 m.
5) Nogo areas: Within range of nogo areas with 600m in length, 50m in width as follows:
Nogo area 1 on the right of fairway, area of pair of beacons No. “19”, “24”: Smallest depth is 7,1m.
Nogo area 1 on the right of fairway, area from pair of beacons No. “29”, “34” to pair of beacons No. “31”, “36”: Smallest depth is 2,4m.
6) Obstruction in fairway:
  Existing specialized Buoy “K8″ on the left of fairway, in the area of beacon “12”, the furthest point encroaches 5,0m on fairway with coordinates are as follows:
Depth (m)  VN2000  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l) 
09^{0}34’19,5” N  106^{0}31’01,0” E  09^{0}34’15,9” N  106^{0}31’07,5” E 
  Existing specialized Buoy with no mark on the right of fairway, in upstream ferry of Tat channel, the furthest point encroaches 9,0m on fairway with coordinates are as follows:
Depth (m)  VN2000  
Latitude (j)  Longitude (l)  Latitude (j)  Longitude (l) 
09^{0}37’12,2” N  106^{0}27’57,6” E  09^{0}37’08,5” N  106^{0}28’04,0” E 
 Flexible fishing stakes are scattered in fairway section from fork of Tat channel to beacon “27”
NAVIGATION GUIDANCE:
All vessels navigating on fairway for vessels to Hau river should follow notice to mariners, paper charts, AtoN system for maritime safety. Notice the shallow sections, shallow points mentioned above and comply strictly with the regulation of Can Tho Maritime Administration.