Surveys
Survey operations by M/V pourquoi pas with submersible: a. in progress until 102359Z feb in area between…
Eastern South Atlantic · HYDROLANT 203/11
- issued
- 2011-02-02 09:29Z
- status
- cancelled 2011-02-17 00:59Z (archive)
- self-cancels
- 2011-02-17 00:59Z
- cancels
- HYDROLANT 170/11
- authority
- NAVAREA II 29/11 020747Z FEB 11.
- sea
- South Atlantic Ocean
- position
- -4.767, 9.937
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC.
1. SURVEY OPERATIONS BY M/V POURQUOI PAS WITH SUBMERSIBLE:
A. IN PROGRESS UNTIL 102359Z FEB IN AREA BETWEEN
05-51.0S 05-45.0S AND 009-39.0E 009-45.0E.
B. 110001Z TO 122359Z FEB IN AREA BETWEEN
04-55.2S 04-57.6S AND 009-55.8E 009-58.2E.
C. 130001Z TO 132359Z FEB IN AREA BOUND BY
04-44.4S 009-53.4E, 04-44.4S 009-57.6E,
04-49.2S 009-57.6E, 04-49.2S 009-57.6E.
D. 150001Z TO 162359Z FEB IN AREA BETWEEN
01-36.0S 01-33.0S AND 008-33.6E 008-30.0E.
TWO MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 170/11.
3. CANCEL THIS MSG 170059Z FEB.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-02-11 00:01Z | 2011-02-12 23:59Z | — | 47 h 58 |
| 2011-02-13 00:01Z | 2011-02-13 23:59Z | — | 23 h 58 |
| 2011-02-15 00:01Z | 2011-02-16 23:59Z | — | 47 h 58 |
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
56 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now
03
05
10
15
20
25
26
- Survey operations in progress until further notice by M/V ramform victory towing 12 three mile long cables…2026-07-03
- Survey operations in progress until further notice by M/V sw empress towing 7000 meter long cables in area…2023-08-12
- Survey operations 30 mar until further notice by M/V ramform vanguard towing ten 8000 meter long cables in…2023-03-28
- Survey operations in progress until further notice by M/V ramform vanguard towing 14 4500 meter long cables…2023-02-27
- Survey operations in progress until further notice by M/V amazon conqueror towing 14 four mile long cables…2022-01-27
- Survey operations in progress until further notice by M/V ramform atlas towing ten 10200 meter long cables,…2021-01-18
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
Timeline
Nearby now · 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.