Surveys
Survey operations 1800Z to 0200Z commencing daily by M/V walther herwig III within five miles of: a.…
Eastern North Atlantic · HYDROLANT 834/15
- issued
- 2015-04-09 17:06Z
- status
- cancelled 2015-04-21 03:00Z (archive)
- self-cancels
- 2015-04-21 03:00Z
- authority
- NAVAREA II 116/15 091651Z APR 15.
- position
- 34.378, -14.750
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. DNC 01, DNC 08. 1. SURVEY OPERATIONS 1800Z TO 0200Z COMMENCING DAILY BY M/V WALTHER HERWIG III WITHIN FIVE MILES OF: A. 23-50.0N 020-03.6W ON 11 APR. B. 26-19.8N 019-21.0W ON 12 APR. C. 31-14.8N 017-19.2W ON 14 APR. D. 37-21.6N 013-42.0W ON 16 APR. E. 41-03.0N 011-09.0W ON 18 APR. F. 46-27.0N 006-55.2W ON 20 APR. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 210300Z APR 15.
This area · survey operations
8 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
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10
15
20
22
- Survey operations in progress until further notice by M/V sarmiento de gamboa towing 300 meter long cable…2022-06-15
- Survey operations 150100Z to 190001 jun by M/V sarmiento de gamboa towing 300 meter long cable along…2022-06-13
- Survey operations in progress until further notice by M/V kronprins haakon along trackline joining 31-37N…2019-05-11
- Underwater operations 060001Z to 080001Z nov by M/V pourquoi pas in 35-04.1N 012-49.2W2016-11-04
- Oceanographic equipment, at depth 170 meters, established until 02 jul in: a. 33-44.550N 014-24.147W2016-06-12
- Underwater operations 22 thru 30 may by M/V poseidon along trackline joining 29-15N 015-40W, 31-00N 013-00W,…2008-05-19
Season · when survey operations happen here
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month of issue, all years in the archive
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.