Surveys
Survey operations 28 dec thru 03 jan 18 by M/V osprey explorer towing three 250 meter long cables in area…
Western South Atlantic · HYDROLANT 4211/17
- issued
- 2017-12-28 04:10Z
- status
- cancelled 2018-01-04 00:01Z (archive)
- cancels
- HYDROLANT 4161/17
- authority
- NAVAREA V COASTAL S 1048/17 280406Z DEC 17.
- sea
- South Atlantic Ocean
- position
- -25.559, -42.776
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS 28 DEC THRU 03 JAN 18 BY M/V OSPREY EXPLORER TOWING THREE 250 METER LONG CABLES IN AREA BOUND BY 25-28.68S 042-44.20W, 25-37.89S 042-49.81W, 25-38.35S 042-48.87W, 25-29.17S 042-43.28W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 4161/17. 3. CANCEL THIS MSG 04 JAN 18.
This area · survey operations
571 within 180 nm since 2000 · 2 in the last 12 months · 0 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
- 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
Timeline
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.