Surveys
Survey operations in progress until 14 sep by M/V hai yang shi you 720 in area bound by 26-26S 044-20W,…
Wester South Atlantic · HYDROLANT 2281/21
- issued
- 2021-09-07 05:53Z
- status
- cancelled 2021-09-14 08:27Z (archive)
- cancels
- HYDROLANT 2243/21
- authority
- NAVAREA V 408/21 070317Z SEP 21.
- sea
- South Atlantic Ocean
- position
- -26.784, -44.731
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTER SOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 14 SEP BY M/V HAI YANG SHI YOU 720 IN AREA BOUND BY 26-26S 044-20W, 26-33S 044-06W, 27-10S 045-13W, 27-00S 045-19W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2243/21. 3. CANCEL THIS MSG 15 SEP 21.
This area · survey operations
562 within 180 nm since 1999 · 4 in the last 12 months · 2 in force now
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- Underwater operations 1000Z to 2000Z daily until 25 aug by vessel nomar in 24-07.27S 046-09.30W2026-08-20
- 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
- Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…2026-08-09
- Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92W2026-02-27
- 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 1100Z to 2000Z daily 06 apr thru 05 may in 24-07.11S 046-08.76W2024-04-06
Season · when survey operations happen here
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A
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month of issue, all years in the archive
Timeline
- Survey operations in progress until 07 sep by M/V hai yang shi you 720 in area bound by 26-24S 044-09W,…cancels · 2021-09-01
- Survey operations in progress until 07 sep by M/V hai yang shi you 720 in area bound by 26-24S 044-09W,…replaced · 2021-09-01
- Survey operations in progress until 21 sep by M/V hai yang shi you 720 in area bound by 26-25S 044-08W,…cancelled by · 2021-09-14
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.