Surveys
Survey operations by M/V sw diamond towing nine 225 meter long cables: a. 170300Z to 200259Z jan in area…
Western South Atlantic · HYDROLANT 130/23
- issued
- 2023-01-16 01:25Z
- status
- cancelled 2023-01-24 04:00Z (archive)
- self-cancels
- 2023-01-24 04:00Z
- authority
- NAVAREA V 22/23 160047Z JAN 23.
- sea
- South Atlantic Ocean
- position
- -25.646, -42.893
- 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. 170300Z TO 200259Z JAN IN AREA BOUND BY
25-35.06S 043-05.96W, 25-31.16S 043-03.55W,
25-42.39S 042-41.26W, 25-46.38S 042-43.50W.
B. 200300Z TO 230259Z JAN IN AREA BOUND BY
25-44.33S 042-42.40W, 25-43.55S 042-41.91W,
25-32.44S 043-03.95W, 25-33.30S 043-04.27W.
C. 230300Z TO 240259Z JAN IN AREA BOUND BY
25-33.84S 043-04.68W, 25-33.41S 043-04.25W,
25-44.42S 042-42.40W, 25-44.91S 042-42.72W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 240400Z JAN 23.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-01-17 03:00Z | 2023-01-20 02:59Z | — | 71 h 59 |
| 2023-01-20 03:00Z | 2023-01-23 02:59Z | — | 71 h 59 |
| 2023-01-23 03:00Z | 2023-01-24 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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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
A
S
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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.