Surveys
Survey operations by M/V sw diamond towing nine 225 meter long cables: a. 100300Z to 130259Z jan in area…
Western South Atlantic · HYDROLANT 83/23
- issued
- 2023-01-10 10:12Z
- status
- cancelled 2023-01-17 03:59Z (archive)
- self-cancels
- 2023-01-17 03:59Z
- authority
- NAVAREA V 12/23 100232Z JAN 23.
- sea
- South Atlantic Ocean
- position
- -25.647, -42.892
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS BY M/V SW DIAMOND TOWING
NINE 225 METER LONG CABLES:
A. 100300Z TO 130259Z JAN IN AREA BOUND BY
25-42.59S 042-41.43W, 25-31.38S 043-03.67W,
25-33.84S 043-04.69W, 25-44.92S 042-42.72W.
B. 130300Z TO 160259Z JAN IN AREA BOUND BY
25-33.93S 043-04.70W, 25-45.01S 042-42.72W,
25-45.78S 042-43.21W, 25-34.56S 043-05.47W.
C. 160300Z TO 170259Z JAN IN AREA BOUND BY
25-34.64S 043-05.50W, 25-45.88S 042-43.21W,
25-46.31S 042-43.45W, 25-35.00S 043-05.89W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 170359Z JAN 23.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-01-10 03:00Z | 2023-01-13 02:59Z | — | 71 h 59 |
| 2023-01-13 03:00Z | 2023-01-16 02:59Z | — | 71 h 59 |
| 2023-01-16 03:00Z | 2023-01-17 02:59Z | — | 23 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
572 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
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05
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24
- 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
- Survey operations 12 thru 19 feb by M/V siem dorado along trackline joining 25-22.60S 042-32.10W, 25-18.62S…2024-02-11
- Survey operations in progress until 31 jan by vessel M/V ramform victory towing ten 8800 meter long cables…2024-01-15
Season · when survey operations happen here
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F
M
A
M
J
J
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month of issue, all years in the archive
Nearby now · within 120 nm
Worldwide now
86 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.