Surveys
Survey operations in progress until 05 nov by M/V nho cruzeiro do sul towing two 500 meter long cables in…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2557/21
- issued
- 2021-10-17 14:24Z
- status
- cancelled 2021-11-06 00:01Z (archive)
- cancels
- HYDROLANT 2464/21
- authority
- NAVAREA V 476/21 171419Z OCT 21.
- position
- -21.440, -34.724
- 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 05 NOV BY M/V NHO CRUZEIRO DO SUL TOWING TWO 500 METER LONG CABLES IN AREA BOUND BY 23-07.87S 043-05.98W, 22-56.08S 039-58.23W, 22-35.73S 037-37.09W, 22-21.86S 035-55.63W, 21-50.23S 034-48.66W, 22-05.96S 033-45.07W, 22-39.76S 033-58.05W, 23-04.56S 033-10.66W, 22-51.75S 032-39.27W, 22-05.21S 032-20.54W, 20-42.52S 031-48.52W, 20-12.14S 029-15.40W, 19-52.09S 031-35.12W, 20-02.06S 033-28.23W, 20-52.12S 033-38.47W, 20-06.04S 034-38.98W, 20-23.59S 035-31.90W, 21-14.01S 037-05.32W, 22-33.12S 039-28.49W, 22-49.99S 040-43.65W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2464/21. 3. CANCEL THIS MSG 06 NOV 21.
This area · survey operations
9 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
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- Survey operations 20 thru 25 apr by M/V oceanic sirius towing 12 11112 meter cables in area bound by…2021-04-20
- Survey operations 27 may thru 01 jun by M/V ramform titan towing 14 10000 meter long cables in area bound by…2020-05-26
- Hydrographic survey 16 thru 23 jul by M/V ocean endeavour in area bound by 23-59.87S 041-19.42W, 20-16.51S…2016-07-15
- Oceanographic operations 03 thru 14 nov by M/V antares in area bound by 20-40S 040-00W, 20-40S 029-25W,…2003-11-01
- Oceanographic operations 19 thru 31 oct by M/V antares in area bound by 20-40S 040-00W, 21-30S 040-15W,…2003-10-18
- Oceanographic operations 05 thru 15 oct by M/V antares in area bound by 23-10S 042-00W, 24-45S 029-10W,…2003-09-30
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
- 18.3 meter depth reported in 20-35.71S 034-46.07WWrecks · 50.8 nm
Worldwide now
73 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.