Surveys
Survey operations 260001Z aug to 030001Z oct by M/V pourquoi pas towing one 3000 meter long cable in area…
Eastern North Atlantic · South Atlantic · HYDROLANT 2686/18
- issued
- 2018-08-22 16:41Z
- status
- cancelled 2018-10-03 01:01Z (archive)
- self-cancels
- 2018-10-03 01:01Z
- authority
- NAVAREA II 335/18 221640Z AUG 18.
- sea
- South Atlantic Ocean
- position
- -0.293, -15.637
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. SOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS 260001Z AUG TO 030001Z OCT BY M/V POURQUOI PAS TOWING ONE 3000 METER LONG CABLE IN AREA BOUND BY 03-33.42N 018-24.06W, 01-00.48S 011-42.90W, 03-25.74S 016-48.18W, 02-14.58S 017-03.96W. FOUR MILE BERTH REQUESTED. 2. CANCEL THIS MSG 030101Z OCT 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-08-26 00:01Z | 2018-10-03 00:01Z | — | 912 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
1 within 180 nm since 2018 · 0 in the last 12 months · 0 in force now
Season · when survey operations happen here
J
F
M
A
M
J
J
A
S
O
N
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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.