Surveys

Scientific mooring established in 37-02.8S 012-18.2W

South Atlantic · Tristan Da Cunha · HYDROLANT 1093/18

issued: 2018-04-03 09:55Z
status: cancelled 2019-04-04 22:44Z (archive)
authority: NAVAREA VII 118/18 030730Z APR 18.
sea: South Atlantic Ocean
position: -37.047, -12.303
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH ATLANTIC.
TRISTAN DA CUNHA.
DNC 01.
CHART 57486.
SCIENTIFIC MOORING ESTABLISHED IN 37-02.8S 012-18.2W.

This area · survey operations

1 within 180 nm since 2018 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 1093/18, 2926/18 and this msgcancelled by · 2019-04-04

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.