Surveys
Survey operations are underway from September 7 to 14 by vessels Sanco Spirit and Sea 1 Dorado in the South Atlantic; wide berth is requested.
South Atlantic · HYDROLANT 1767/26
- issued
- 2026-09-06 18:41Z
- status
- cancelled 2026-09-08 17:45Z (dropped from inforce)
- self-cancels
- 2026-09-15 00:01Z
- sea
- South Atlantic Ocean
- position
- -24.925, -42.523
- source
- nga_inforce · first seen 2026-09-08 18:17Z
Original warning text
SOUTH ATLANTIC.
1. SURVEY OPERATIONS 07 THRU 14 SEP BY
M/V SANCO SPIRIT AND M/V SEA 1 DORADO
IN AREAS BOUND BY:
A. 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.
B. 24-33.78S 042-11.33W, 24-33.07S 042-11.27W,
24-32.38S 042-10.88W, 24-31.83S 042-10.58W,
24-31.53S 042-09.05W, 24-32.45S 042-07.15W,
24-33.37S 042-07.25W, 24-34.00S 042-07.23W,
24-34.72S 042-07.60W, 24-35.37S 042-08.23W,
24-35.57S 042-08.88W, 24-35.77S 042-09.50W,
24-35.32S 042-10.47W, 24-34.52S 042-11.05W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 150001Z SEP 26.This area · survey operations
605 within 180 nm since 2000 · 6 in the last 12 months · 0 in force now
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- Underwater operations 1000Z to 2000Z daily 01 thru 30 sep by M/V coral do atlantico in area bound by…2026-09-03
- Survey operations in progress until 24 aug by M/V sea 1 dorado in area bound by 24-53.20S 042-47.12W,…2026-08-21
- 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 07 oct by M/V artemis odyssey towing six 186 meter cables in area bound…2024-10-01
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
60 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.