Surveys
Survey operations in progress until 16 jul by M/V oceanic sirius towing 11 11112 meter long cables in area…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 1806/21
- issued
- 2021-07-09 00:38Z
- status
- cancelled 2021-07-16 14:38Z (archive)
- cancels
- HYDROLANT 1726/21
- authority
- NAVAREA V 309/21 090022Z JUL 21.
- position
- -24.918, -39.950
- 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 16 JUL BY M/V OCEANIC SIRIUS TOWING 11 11112 METER LONG CABLES IN AREA BOUND BY 26-47.10S 042-43.70W, 24-18.35S 042-40.05W, 24-18.80S 042-06.62W, 24-06.12S 042-06.45W, 23-31.55S 040-58.48W, 22-50.33S 039-56.13W, 22-35.07S 037-41.03W, 26-34.27S 037-35.21W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1726/21 3. CANCEL THIS MSG 17 JUL 21.
This area · survey operations
622 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 09 jul by M/V oceanic sirius towing 11112 meter long cables in area…cancels · 2021-07-01
- Survey operations in progress until 09 jul by M/V oceanic sirius towing 11112 meter long cables in area…replaced · 2021-07-01
- HYDROLANT warnings in force as of 161431Z jul 21: 1869/21, 1868/21, 1867/21, 1866/21, 1864/21, 1863/21,…cancelled by · 2021-07-16
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.