Surveys
Underwater operations 092300Z to 112300Z dec by M/V pourquoi pas in area between 47-20N 47-40N and 007-20W…
HYDROLANT 2311/05
- issued
- 2005-12-09 18:00Z
- status
- cancelled 2005-12-12 00:01Z (archive)
- self-cancels
- 2005-12-12 00:01Z
- authority
- NAVAREA II 410/05 091633Z DEC 05.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 092300Z TO 112300Z DEC BY M/V POURQUOI PAS IN AREA BETWEEN 47-20N 47-40N AND 007-20W 008-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 120001Z DEC.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-12-09 23:00Z | 2005-12-11 23:00Z | — | 48 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.