Surveys

Underwater operations 091000Z to 091800Z aug by M/V l'atalante with submersible in 37-25N 019-30W

Eastern North Atlantic · HYDROLANT 1247/11

issued
2011-08-08 12:36Z
status
cancelled 2011-08-09 19:00Z (archive)
self-cancels
2011-08-09 19:00Z
cancels
HYDROLANT 1245/11
authority
NAVAREA II 248/11 081027Z AUG 11.
position
37.417, -19.500
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
1. UNDERWATER OPERATIONS 091000Z TO 091800Z AUG
   BY M/V L'ATALANTE WITH SUBMERSIBLE
   IN 37-25N 019-30W. FIVE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1245/11.
3. CANCEL THIS MSG 091900Z AUG.

This area · survey operations

4 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now

07
10
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22

Season · when survey operations happen here

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M
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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

73 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.