Surveys
Underwater operations 212200Z to 231000Z sep by M/V pourquoi pas in area bound by 46-20N 007-40W, 46-20N…
HYDROLANT 1721/05
- issued
- 2005-09-21 13:54Z
- status
- cancelled 2005-09-23 11:00Z (archive)
- self-cancels
- 2005-09-23 11:00Z
- cancels
- HYDROLANT 1716/05
- authority
- NAVAREA II 290/05 201631Z SEP 05.
- sea
- North Atlantic Ocean
- position
- 46.500, -8.000
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 212200Z TO 231000Z SEP BY M/V POURQUOI PAS IN AREA BOUND BY 46-20N 007-40W, 46-20N 008-20W, 46-40N 008-20W, 46-40N 007-40W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 1716/05. 3. CANCEL THIS MSG 231100Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-09-21 22:00Z | 2005-09-23 10:00Z | — | 36 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
249 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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05
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23
- Underwater operations 02 thru 11 oct by M/V atalante in area bound by 47-26.59N 006-34.33W, 46-52.40N…2023-09-29
- Survey operations in progress until 060001Z oct by M/V pourquoi pas in area bound by 47-17.05N 009-17.05W,…2023-09-25
- Survey operations 072201Z to 112159Z jun by vessel nanoplon in area within one mile of 48-20.67N 008-22.08W2023-06-06
- Survey operations 19 thru 25 apr in area bound by 48-00.00N 009-29.00W, 48-00.00N 007-56.00W, 46-54.00N…2023-04-17
- Survey operations 06 thru 11 jan by M/V belgica in area bound by 48-14.00N 005-05.00W, 47-28.00N 005-10.00W,…2023-01-04
- Survey operations 30 oct thru 26 nov by M/V meteor in area bound by 48-09.00N 005-55.00W, 44-03.00N…2022-10-28
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
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.