Surveys
Underwater operations 210700Z sep to 020700Z oct by M/V poseidon with submersible in area between 37-00N…
Eastern North Atlantic · HYDROLANT 2310/13
- issued
- 2013-09-18 21:42Z
- status
- cancelled 2013-10-02 08:00Z (archive)
- self-cancels
- 2013-10-02 08:00Z
- authority
- NAVAREA II 258/13 182110Z SEP 13.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. 1. UNDERWATER OPERATIONS 210700Z SEP TO 020700Z OCT BY M/V POSEIDON WITH SUBMERSIBLE IN AREA BETWEEN 37-00N 30-00N AND 023-00W 020-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 020800Z OCT 13.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-09-21 07:00Z | 2013-10-02 07:00Z | — | 264 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.