Surveys
Underwater operations 260001Z feb to 140001Z mar by M/V thalassa in area bound by 20-00N 017-24W, 20-00N…
Eastern North Atlantic · Mauritania · Senegal · HYDROLANT 571/14
- issued
- 2014-02-24 06:36Z
- status
- cancelled 2014-03-14 01:01Z (archive)
- self-cancels
- 2014-03-14 01:01Z
- authority
- NAVAREA II 75/14 240412Z FEB 14.
- sea
- North Atlantic Ocean
- position
- 16.996, -16.989
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. MAURITANIA. SENEGAL. 1. UNDERWATER OPERATIONS 260001Z FEB TO 140001Z MAR BY M/V THALASSA IN AREA BOUND BY 20-00N 017-24W, 20-00N 016-30W, 13-30N 016-45W, 13-30N 017-19W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 140101Z MAR 14.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2014-02-26 00:01Z | 2014-03-14 00:01Z | — | 384 h |
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
24 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now
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10
15
20
23
- Underwater operations 15 jan thru 18 mar by M/V grand canyon III in area bound by 16-02.00N 016-52.00W,…2023-01-14
- Oceanographic buoy established in 14-09.7N 017-30.7W2023-01-03
- Underwater operations in progress until 31 may in 16-04.31N 016-52.09W2022-02-10
- Survey operations in progress until 30 nov by M/V bgp pioneer towing seven mile long cable in area bound by…2021-09-10
- Underwater operations in progress until further notice in area bound by 16-06.9N 016-35.2W, 16-06.8N…2021-02-06
- Survey operations in progress until 272359Z nov by M/V sw empress towing ten five mile long cables in area…2020-11-26
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
D
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.