Surveys
Survey operations 19 thru 26 nov by M/V oceanic sirius towing 12 11112 meter long cables in area bound by…
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 2844/21
- issued
- 2021-11-18 21:23Z
- status
- cancelled 2021-11-26 02:08Z (archive)
- cancels
- HYDROLANT 2793/21
- authority
- NAVAREA V 543/21 182025Z NOV 21.
- sea
- South Atlantic Ocean
- position
- -24.913, -39.957
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. DNC 01. 1. SURVEY OPERATIONS 19 THRU 26 NOV BY M/V OCEANIC SIRIUS TOWING 12 11112 METER LONG CABLES IN AREA BOUND BY 26-47.05S 042-43.42W, 24-18.20S 042-40.03W, 24-06.37S 042-06.37W, 24-06.07S 042-06.27W, 23-31.32S 040-59.00W, 22-50.20S 039-56.07W, 22-35.03S 037-41.02W, 26-34.15S 037-35.12W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2793/21. 3. CANCEL THIS MSG 27 NOV 21.
This area · survey operations
624 within 180 nm since 2000 · 7 in the last 12 months · 5 in force now
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- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-19
- Underwater operations in progress until 280259Z aug by M/V siem pilot in 24-35.02S 042-15.37W2026-08-19
- 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
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Survey operations in progress until 19 nov by M/V oceanic sirius towing 12 11112 meter long cables in area…cancels · 2021-11-12
- Survey operations in progress until 19 nov by M/V oceanic sirius towing 12 11112 meter long cables in area…replaced · 2021-11-12
- Survey operations 26 nov thru 03 dec by M/V oceanic sirius towing 12 11112 meter long cables in area bound…cancelled by · 2021-11-26
Nearby now · within 120 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.