Surveys
Survey operations 171000Z to 272359Z jan by M/V l'espoir towing 2500 meter long cable along trackline…
HYDROLANT 184/01
- issued
- 2001-01-17 06:10Z
- status
- cancelled 2001-01-28 00:59Z (archive)
- self-cancels
- 2001-01-28 00:59Z
- authority
- NAVAREA V 107/01 170402Z JAN 01
- sea
- South Atlantic Ocean
- position
- -28.073, -44.312
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 171000Z TO 272359Z JAN BY M/V L'ESPOIR TOWING 2500 METER LONG CABLE ALONG TRACKLINE JOINING 23-06.0S 043-27.1W, 23-57.3S 042-51.0W, 25-17.8S 042-49.6W, 26-10.3S 042-45.5W, 26-58.6S 043-20.0W, 27-47.3S 043-54.9W, 28-50.2S 044-42.4W, 29-36.4S 045-17.5W, 30-00.7S 045-30.9W, 30-46.3S 045-18.2W, 32-50.9S 046-47.3W. TWO MILE BERTH REQUESTED. 2. CANCEL THIS MSG 280059Z JAN.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-01-17 10:00Z | 2001-01-27 23:59Z | — | 253 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
284 within 180 nm since 2000 · 2 in the last 12 months · 2 in force now
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26
- 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 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 01 mar by M/V ramform victory towing ten 8800 meter long cables in area…2024-02-16
- Survey operations in progress until 15 feb by M/V ramform victory towing ten 8800 meter cables in area bound…2024-02-06
Season · when survey operations happen here
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A
M
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month of issue, all years in the archive
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.