Surveys
Underwater operations 25 feb thru 07 apr by M/V thalassa in area bound by 00-00S 010-00W, 06-00S 010-00W,…
South Atlantic · Eastern North Atlantic · HYDROLANT 517/22
- issued
- 2022-02-21 16:49Z
- status
- cancelled 2022-02-22 14:33Z (archive)
- authority
- NAVAREA II 69/22 211631Z FEB 22.
- sea
- South Atlantic Ocean
- position
- -2.000, -7.667
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH ATLANTIC. EASTERN NORTH ATLANTIC. DNC 01. 1. UNDERWATER OPERATIONS 25 FEB THRU 07 APR BY M/V THALASSA IN AREA BOUND BY 00-00S 010-00W, 06-00S 010-00W, 00-00S 003-00W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 08 APR 22.
This area · survey operations
7 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
06
10
15
20
22
- Underwater operations 09 thru 31 mar by M/V thalassa in: a. 00-00S 010-00W2021-03-05
- Underwater operations 16 feb thru 23 mar by M/V thalassa in area bound by 00-00S 010-00W, 00-00S 000-00W,…2020-02-12
- Oceanographic operations 04 thru 18 apr by M/V le suroit along trackline joining 01-30N 010-00W, 00-00N…2012-04-02
- Oceanographic operations 26 mar thru 01 apr by M/V le suroit along trackline between 00-00N 010-00W and…2012-03-24
- Survey operations 01 may thru 15 jun by M/V le suroit along trackline joining 00-00N 010-00W, 06-00S…2011-04-27
- Underwater operations 24 may to 16 jun by M/V atalante in area bound by 00-00 000-00, 10-00S 010-00W, 06-00S…2006-05-23
Season · when survey operations happen here
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F
M
A
M
J
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month of issue, all years in the archive
Timeline
- East goodwin lightfloat in 51-13.3N 001-36.4E unlit, RACON inoperative and off stationcancelled by · 2022-02-22
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
86 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.