Surveys
Underwater operations 271200Z sep to 060001Z oct by M/V thalia in area between 48-42N 47-54N and 004-33W…
Celtic Sea · Bay of Biscay · English Channel · France · HYDROLANT 3026/17
- issued
- 2017-09-25 16:52Z
- status
- cancelled 2017-10-06 01:01Z (archive)
- self-cancels
- 2017-10-06 01:01Z
- authority
- NAVAREA II 356/17 251610Z SEP 17.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
CELTIC SEA. BAY OF BISCAY. ENGLISH CHANNEL. FRANCE. DNC 08, DNC 19, DNC 20. 1. UNDERWATER OPERATIONS 271200Z SEP TO 060001Z OCT BY M/V THALIA IN AREA BETWEEN 48-42N 47-54N AND 004-33W 006-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 060101Z OCT 17.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-09-27 12:00Z | 2017-10-06 00:01Z | — | 204 h 01 |
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.