Surveys
Survey operations in progress until 12 dec by M/V oceanic sirius towing 12 12000 meter long cables in area…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 3773/20
- issued
- 2020-12-04 03:59Z
- status
- cancelled 2020-12-11 14:03Z (archive)
- cancels
- HYDROLANT 3708/20
- authority
- NAVAREA V 400/20 040233Z DEC 20.
- position
- -24.897, -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 12 DEC BY M/V OCEANIC SIRIUS TOWING 12 12000 METER LONG CABLES IN AREA BOUND BY 26-47.47S 042-25.97W, 24-18.62S 042-21.33W, 24-28.80S 042-06.62W, 24-06.12S 042-06.45W, 23-32.55S 040-58.48W, 22-50.33S 039-56.13W, 22-35.07S 037-41.03W, 26-34.27S 037-35.22W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 3708/20. 3. CANCEL THIS MSG 13 DEC 20.
This area · survey operations
617 within 180 nm since 2000 · 5 in the last 12 months · 5 in force now
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- Survey operations 10 aug 26 thru 08 mar 27 by tug mce navegacao I in area bound by 22-48.38S 041-08.21W,…2026-08-09
- Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…2026-08-08
- Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05W2026-08-06
- Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…2026-06-17
- Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47W2025-11-28
- Survey operations 17 apr thru 08 may by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W, 25-05.99S…2024-04-17
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Survey operations in progress until 05 dec by M/V oceanic sirius towing 12 12000 meter long cables in area…cancels · 2020-11-28
- Survey operations in progress until 05 dec by M/V oceanic sirius towing 12 12000 meter long cables in area…replaced · 2020-11-28
- HYDROLANT warnings in force as of 111400Z dec 20cancelled by · 2020-12-11
Nearby now · within 120 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.