Surveys
Underwater operations 222300Z to 251100Z nov by M/V pourquois pas in areas bound by: a. 48-40N 005-40W,…
HYDROLANT 2147/05
- issued
- 2005-11-21 18:02Z
- status
- cancelled 2005-11-25 12:00Z (archive)
- self-cancels
- 2005-11-25 12:00Z
- authority
- NAVAREA II 386/05 211635Z NOV 05.
- sea
- North Atlantic Ocean
- position
- 46.500, -6.667
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 222300Z TO 251100Z NOV
BY M/V POURQUOIS PAS IN AREAS BOUND BY:
A. 48-40N 005-40W, 48-40N 005-13W,
48-16N 005-13W, 48-00N 005-40W,
48-00N 006-00W, 48-20N 006-00W,
48-40N 005-40W.
B. 46-40N 007-00W, 46-40N 006-20W,
46-00N 006-20W, 46-00N 007-20W,
46-20N 007-20W, 46-20N 007-00W,
46-40N 007-00W.
WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 251200Z NOV.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2005-11-22 23:00Z | 2005-11-25 11:00Z | — | 60 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
295 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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00
05
10
15
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24
- Survey operations 19 apr thru 28 may by M/V thalassa along trackline joining 47-50.31N 004-08.86W, 43-22.95N…2024-04-17
- 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 in progress until 112200Z oct by M/V emma bardan in area bound by 48-00.00N 005-50.00W,…2023-08-16
- 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
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
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.