Surveys
Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…
South Atlantic · HYDROLANT 1620/26
- issued
- 2026-08-19 23:34Z
- status
- cancelled 2026-08-20 14:45Z (dropped from inforce)
- self-cancels
- 2026-08-25 00:01Z
- sea
- South Atlantic Ocean
- position
- -24.935, -42.533
- source
- nga_inforce · first seen 2026-08-21 14:32Z
Original warning text
SOUTH ATLANTIC. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 24 AUG BY M/V SEA 1 DORADO IN AREA BOUND BY 24-53.20S 042-47.12W, 24-54.37S 042-44.77W, 24-53.12S 042-41.00W, 24-52.10S 042-37.92W, 24-52.02S 042-34.48W, 24-28.65S 042-28.38W, 24-51.87S 042-24.10W, 25-00.98S 042-18.05W, 25-05.70S 042-20.97W, 25-05.87S 042-29.85W, 25-05.92S 042-31.78W, 25-07.83S 042-32.98W, 25-09.83S 042-34.82W, 25-09.80S 042-34.85W, 25-10.83S 042-36.57W, 25-10.82S 042-36.88W, 25-06.47S 042-43.98W, 25-02.90S 042-43.98W, 25-02.85S 042-44.07W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 250001Z AUG 26.
This area · survey operations
599 within 180 nm since 2000 · 3 in the last 12 months · 1 in force now
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- 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
- Underwater operations in progress until 19 may in 23-04.0S 043-02.5W2024-04-21
- 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
- Underwater operations 0500Z to 2000Z daily 16 thru 25 apr by M/V double diamond and M/V novo estado in…2024-04-16
- Survey operations in progress until 11 mar by M/V artemis odyssey in area bound by 25-04.49S 042-10.72W,…2024-03-02
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
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.