Surveys
Underwater operations 0900Z to 2100Z daily 15 aug thru 15 dec by M/V asso trentuno, M/V surffer 1871, M/V…
Western South Atlantic · Brazil-north East Coast · HYDROLANT 2478/19
- issued
- 2019-08-14 19:59Z
- status
- cancelled 2019-12-15 22:00Z (archive)
- self-cancels
- 2019-12-15 22:00Z
- authority
- NAVAREA V COASTAL N 814/19 141939Z AUG 19.
- position
- -4.884, -36.336
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-NORTH EAST COAST. DNC 01. 1. UNDERWATER OPERATIONS 0900Z TO 2100Z DAILY 15 AUG THRU 15 DEC BY M/V ASSO TRENTUNO, M/V SURFFER 1871, M/V SURFFER 1930 AND M/V SURFFER 1931 IN AREA BOUND BY 04-56.08S 036-26.05W, 04-50.02S 036-26.05W, 04-50.02S 036-14.31W, 04-56.08S 036-14.31W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 152200Z DEC 19.
This area · survey operations
89 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 241000Z apr by M/V taurus in area bound by 06-56.53S 034-49.48W,…2024-03-16
- Survey operations in progress until 092100Z mar by M/V taurus in area bound by 06-50.45S 034-45.38W,…2024-03-05
- Survey operations in progress until 182300Z may in areas bound by: a. 02-56.00S 038-00.20W, 02-56.00S…2023-05-18
- Underwater operations 0800Z to 2100Z daily 05 sep thru 05 mar 23 by M/V paracuru in 04-52.42S 036-22.45W2022-09-05
- Underwater operations 1100Z to 1900Z daily 15 thru 22 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-06-14
- Underwater operations 1100Z to 1900Z daily 01 thru 06 jun by M/V texas and M/V seamaster I in 05-42.08S…2021-05-31
Season · when survey operations happen here
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month of issue, all years in the archive
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.