Surveys

Underwater operations 030001Z to 120730Z jul by M/V sarmiento de gamboa along trackline joining 48-24.77N…

Eastern North Atlantic · HYDROLANT 1452/12

issued: 2012-07-02 14:31Z
status: cancelled 2012-07-12 08:30Z (archive)
self-cancels: 2012-07-12 08:30Z
authority: NAVAREA I 166/12 021330Z JUL 12.
sea: North Atlantic Ocean
position: 55.132, -27.352
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
1. UNDERWATER OPERATIONS 030001Z TO 120730Z JUL BY
   M/V SARMIENTO DE GAMBOA ALONG TRACKLINE JOINING
   48-24.77N 021-08.50W, 57-22.64N 028-10.30W,
   58-43.44N 030-41.83W, 59-14.07N 035-07.27W.
2. CANCEL THIS MSG 120830Z JUL.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2012-07-03 00:01Z	2012-07-12 07:30Z	—	223 h 29

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

2 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

Hydrographic survey by M/V thalassa: a. 17 jun vicinity of 58-50N 031-14W2015-06-17

Season · when survey operations happen here

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.