Surveys
Survey operations in progress until 17 nov by M/V oceanic champion towing 14 6667 meter long cables in area…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 3535/18
- issued
- 2018-11-15 04:06Z
- status
- cancelled 2018-11-18 00:01Z (archive)
- authority
- NAVAREA V COASTAL E 849/18 150043Z NOV 18.
- sea
- South Atlantic Ocean
- position
- -23.029, -39.832
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 17 NOV BY M/V OCEANIC CHAMPION TOWING 14 6667 METER LONG CABLES IN AREA BOUND BY 21-06.0S 040-14.0W, 21-06.0S 039-40.0W, 21-22.0S 039-40.0W, 21-22.0S 040-14.0W, 21-07.0S 040-12.0W, 21-21.0S 040-13.0W, 21-34.0S 040-05.0W, 21-52.0S 039-40.0W, 22-33.0S 039-43.0W, 23-34.0S 040-43.0W, 23-51.0S 041-43.4W, 23-52.0S 042-48.0W, 24-48.0S 041-58.0W, 24-33.0S 040-20.0W, 23-33.0S 038-23.0W, 21-32.0S 038-09.0W, 20-42.0S 039-16.0W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 18 NOV 18.
This area · survey operations
822 within 180 nm since 2000 · 25 in the last 12 months · 15 in force now
00
05
10
15
20
25
26
- Underwater operations 0800Z to 1800Z daily 21 aug thru 04 sep by M/V capetan vassilis II and M/V comando b…2026-08-20
- Underwater operations in progress until 280259Z aug by M/V siem pilot in 24-35.02S 042-15.37W2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V charlie and M/V comando b in 20-24.27S…2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V comando b and M/V linden trader in…2026-08-19
- Underwater operations 1100Z to 2100Z daily 20 aug thru 03 sep by M/V hui an and M/V comando b in 20-23.17S…2026-08-19
- Underwater operations 0800Z to 1800Z daily until 28 aug by M/V spar aries and M/V comando b in 20-48.85S…2026-08-18
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 6.9 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 46.6 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 47.8 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 50.9 nm
- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…Surveys · 70.2 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 84.2 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 84.6 nm
- Survey operations in progress until 312200Z aug in area bound by 21-36.17S 041-00.00W, 21-36.05S 040-37.59W,…Surveys · 89.9 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 90 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 100.7 nm
Worldwide now
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.