Surveys

Underwater operations in progress until 241200Z mar by M/V poseidon in area bound by 36-45N 007-05W, 37-00N…

Eastern North Atlantic · Gulf of Cadiz · Spain · Portugal · HYDROLANT 702/15

issued
2015-03-24 04:52Z
status
cancelled 2015-03-24 13:00Z (archive)
self-cancels
2015-03-24 13:00Z
cancels
HYDROLANT 632/15
authority
NAVAREA II 96/15 240421Z MAR 15.
sea
North Atlantic Ocean
position
36.700, -6.711
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
GULF OF CADIZ.
SPAIN.
PORTUGAL.
DNC 08.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 241200Z MAR
   BY M/V POSEIDON IN AREA BOUND BY
   36-45N 007-05W, 37-00N 006-40W,
   36-30N 006-20W, 36-30N 006-50W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 632/15.
3. CANCEL THIS MSG 241300Z MAR 15.

This area · survey operations

114 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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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.