Surveys
Survey operations in progress until 20 dec by M/V haiyangshiyou 720 towing ten 11,500 meter long cables in…
Western South Atlantic · HYDROLANT 3930/18
- issued
- 2018-12-17 00:58Z
- status
- cancelled 2018-12-20 04:02Z (archive)
- authority
- NAVAREA V COASTAL S 951/18 170022Z DEC 18.
- sea
- South Atlantic Ocean
- position
- -27.063, -42.713
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 20 DEC BY M/V HAIYANGSHIYOU 720 TOWING TEN 11,500 METER LONG CABLES IN AREA BOUND BY 27-31S 043-28W, 26-42S 042-08W, 26-42S 042-06W, 27-31S 043-27W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 21 DEC 18.
This area · survey operations
427 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
- 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
- Survey operations in progress until 30 apr by M/V ramform victory towing ten 8800 meter long cables in area…2024-04-03
- Survey operations in progress until 31 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-03-07
- 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
Nothing else in force 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.