Surveys
Survey operations in progress until 02 aug by M/V oceanic champion towing 12 9260 meter long cables in area…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2336/17
- issued
- 2017-07-29 00:40Z
- status
- cancelled 2017-08-02 00:40Z (archive)
- authority
- NAVAREA V 207/17 290016Z JUL 17.
- sea
- South Atlantic Ocean
- position
- -21.891, -39.279
- 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 02 AUG BY M/V OCEANIC CHAMPION TOWING 12 9260 METER LONG CABLES IN AREA BOUND BY 21-00S 038-15W, 21-27S 038-15W, 23-46S 041-08W, 21-09S 038-51W, 21-27S 039-30W, 21-01S 039-29W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 03 AUG 17.
This area · survey operations
615 within 180 nm since 2000 · 24 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 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
- Underwater operations 0800Z to 1800Z daily until 29 aug by M/V comando b and M/V am kirti in 20-19.03S…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
Timeline
Nearby now · within 120 nm
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 47.5 nm
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 68 nm
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 69.7 nm
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 71.5 nm
- Underwater operations 281000Z jul to 192100Z aug by M/V umi polaris in area bound by 21-53.65S 040-49.70W,…Surveys · 82.5 nm
- Odas buoy temporarily established until 13 apr 27 in 21-34.20S 040-43.62WNav aids · 83 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 · 85.6 nm
- Underwater operations in progress until 312300Z aug by M/V fugro vaquita in area bound by 21-35.43S…Surveys · 85.7 nm
- RACON at cabo sao tome light 22-02.52S 041-03.17W off air until 28 sepNav aids · 99.2 nm
- Barra de itabapoana light 21-18.80S 040-57.90W unlit until 08 sep 26Nav aids · 100.3 nm
- Underwater operations 0800Z to 1800Z daily 08 thru 22 aug by M/V marsanne and M/V comando b in 20-23.57S…Surveys · 102.2 nm
- Underwater operations 1100Z to 2100Z daily 13 thru 22 aug by M/V comando b and M/V am kirti in 20-23.90S…Surveys · 102.3 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.