Surveys
Underwater operations 122200Z to 222200Z apr by M/V pourquoi pas in areas between: a. 47-00N 47-20N and…
HYDROLANT 711/06
- issued
- 2006-04-11 15:31Z
- status
- cancelled 2006-04-22 23:00Z (archive)
- self-cancels
- 2006-04-22 23:00Z
- authority
- NAVAREA II 145/06 111240Z APR 06.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 122200Z TO 222200Z APR BY M/V POURQUOI PAS IN AREAS BETWEEN: A. 47-00N 47-20N AND 007-40W 008-20W. B. 47-20N 47-40N AND 008-20W 008-40W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 222300Z APR.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2006-04-12 22:00Z | 2006-04-22 22:00Z | — | 240 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.