Monday, 27/01/2020

Notice to Mariners

New establishment of AtoN laterns in Truong Sa archipelago, Khanh Hoa province

NOTICE TO MARINERS

Ref: New establishment of AtoN laterns in Truong Sa archipelago, Khanh Hoa province. 

No. 237/TBHH-TCTBĐATHHMN dated November 23, 2016

KHA – TG – 11 – 2016

  • Waters: Khanh Hoa province.
  • Marks: Đá Nam, Núi Thị, Đá Lớn A, Đá Lớn B, Đá Lớn C, Cô Lin, Len Đao, Đá Tây A, Đá Tây C, Trường Sa Đông, Đá Đông A, Đá Đông B, Đá Đông C, Thuyền Chài A, Thuyền Chài B, Thuyền Chài C, Sinh Tồn Đông, Núi Le A, Núi Le B,  Tốc Tan A, Tốc Tan B, Tốc Tan C, Phan Vinh A, Phan Vinh B, Tiên Nữ.

VMS-South would like to inform that

– Location: installed on islands of Truong Sa archipelago.

– Co-ordinates:

Ord Marks WGS-84
Latitude (j) Longitude (l)
01 Đá Nam 11023’15,0” N 114017’54,0” E
02 Đá Núi Thị 10024’38,0” N 114035’15,0” E
03 Đá Lớn A 10001’21,0” N 113051’17,4” E
04 Đá Lớn B 10005’57,5” N 113051’30,7” E
05 Đá Lớn C 10000’43,3” N 113050’40,0” E
06 Cô Lin 09046’26,0” N 114015’19,0” E
07 Len Đao 09046’46,0” N 114022’14,0” E
08 Đá Tây A 08051’50,0” N 112015’20,0” E
09 Đá Tây C 08052’33,0” N 112013’47,0” E
10 Tốc Tan A 08046’46,8” N 114003’08,7” E
11 Tốc Tan B 08049’59,0” N 113055’25,0” E
12 Tốc Tan C 08049’32,0” N 113059’33,5” E
13 Trường Sa Đông 08055’53,0’’ N 112020’56,0” E
14 Đá Đông A 08049’23,0” N 112039’32,0” E
15 Đá Đông B 08049’37,0” N 112033’01,0” E
16 Đá Đông C 08050’27,0” N 112035’37,0” E
17 Thuyền Chài A 08009’16,0” N 113016’56,0” E
18 Thuyền Chài B 08004’35,0” N 113013’35,0” E
19 Thuyền Chài C 08016’13,0” N 113021’18,0” E
20 Sinh Tồn Đông 09054’08,7” N 114033’50,9” E
21 Phan Vinh A 08058’32,5” N 113042’34,0” E
22 Phan Vinh B 08057’30,5” N 113039’10,6” E
23 Núi Le A 08041’49,6” N 114010’17,5” E
24 Núi Le B 08044’51,6” N 114010’46,3” E
25 Tiên Nữ 08051’00,0” N 114038’19,8” E

WGS-84 is provided by General Staff of High Command of Navy

– Function: indicating islands, supporting vessels to recognize and pinpoint other vessels when navigating on Truong Sa archipelago.

CHARACTERISTICS

  1. By day
  • Latern platform: tower;
  • Height: 2.0m;
  1. By night
  • White light;
  • Direction light: 360o
  • Range: 08 nautical miles
  • Light characteristics
Ord Mark Light characteristics
Flashing Frequency
01 Đá Nam Single, every 5s 0,5s + 4,5s = 5s
02 Đá Núi Thị Composite group (2+1), every 12s 1,0s + 1,0 s +1,0s + 4,0s + 1,0s + 4,0s  = 12s
03 Đá Lớn A Single, every 4s 0,5s + 3,5s = 4s
04 Đá Lớn B Group  (3), every 12s 0,5s + 2,0s + 0,5s + 2,0s +0,5s + 6.5s = 12s
05 Đá Lớn C Group  (2), every 10s 0,5s + 1,5s + 0,5s + 7,5s  = 10s
06 Cô Lin Composite group (3+1), every 12s 0,5s + 1,5s + 0,5s + 1,5s +0,5s + 3,5s + 0,5s + 3,5s  = 12s
07 Len Đao Group (4), every 15s 0,5s + 1,5s + 0,5s + 1,5 s + 0,5s + 1,5  + 0,5s + 8,5s  = 15s
08 Đá Tây A Composite group (2+1), every 10s 0,5s + 1,0 s + 0,5s + 3,5s + 0,5s + 4,0s = 10s
09 Đá Tây C Composite group (3+1), every 20s 0,5s + 1,5s + 0,5s + 1,5s +0,5s + 4,5s + 0,5s + 10,5s  = 20s
10 Tốc Tan A Single, every 4s 0,5s + 3,5s = 4s
11 Tốc Tan B Group  (3), every 10s 0,5s + 1,5s + 0,5s + 1,5s +0,5s + 5.5s = 10s
12 Tốc Tan C Group  (2), every 8s 0,5s + 1,0s + 0,5s + 6,0s  = 8s
13 Trường Sa Đông Single, every 4s 0,5s + 3,5s = 4s
14 Đá Đông A Group (3), every 12s 0,5s + 2,0s + 0,5s + 2,0s +0,5s + 6,5s = 12s
15 Đá Đông B Group (2), every 10s 0,5s + 1,5s + 0,5s + 7,5s  = 10s
16 Đá Đông C Group (4), every 15s 0,5s + 1,5s + 0,5s + 1,5 s + 0,5s + 1,5 s + 0,5s + 8,5s = 15s
17 Thuyền Chài A Composite group (3+1), every 20s 0,5s + 1,5s + 0,5s + 1,5s +0,5s + 4,5s + 0,5s + 10,5s  = 20s
18 Thuyền Chài B Group (2), every 10s 0,5s + 1,5s + 0,5s + 7,5s  = 10s
19 Thuyền Chài C Single, 5s 0,5s + 4,5s = 5s
20 Sinh Tồn Đông Composite  (5), every 20s 0,5s + 1,0s + 0,5s + 1,0 s + 0,5s + 1,0s  + 0,5s +1,0s  + 0,5s + 13,5s  = 20s
21 Phan Vinh A Composite group (3+1), every 20s 0,5s + 1,5s + 0,5s + 1,5s +0,5s + 4,5s + 0,5s + 10,5s  = 20s
22 Phan Vinh B Group  (4), every 15s 0,5s + 1,5s + 0,5s + 1,5 s + 0,5s + 1,5  + 0,5s + 8,5s  = 15s
23 Núi Le A Group  (5), every 20s 0,5s + 1,0s + 0,5s + 1,0 s + 0,5s + 1,0s  + 0,5s +1,0s  + 0,5s + 13,5s  = 20s
24 Núi Le B Composite group (2+1), every 12s 1,0s + 1,0 s +1,0s + 4,0s + 1,0s + 4,0s  = 12s.
25 Tiên Nữ Composite group (2+1), every 10s 0,5s + 1,0 s + 0,5s + 3,5s + 0,5s + 4,0s = 10s

NAVIGATION GUIDE

All vessels navigating on Truong Sa archipelago should notice AtoN laterns mentioned above for maritime safety.


Other notice

Installation of oil & gas drilling rig, living platform, air compressor, link bridge system, and oil & gas devices at Block 15-1

Depth of Dinh An-Can Tho fairway, the fairway section from buoy “0” to buoy “16”

Depth of waters in front of Vung Tau VARD

Surveying cable line AAE-1, Vietnam Offshore

Depth of fairway section of Quan Chanh Bo canal from Km 11+000 to Km 15+361.6 of package 11 and fairway section from Km 0+678 to Km 2+465 of package 10B-the project which used for large load vessel navigating in and out Hau River