Surveys
Survey operations 30 mar thru 21 apr by M/V hesperides towing 1000 meter long cable in areas bound by: a.…
Eastern North Atlantic · Canary Islands · HYDROLANT 858/21
- issued
- 2021-03-29 15:10Z
- status
- cancelled 2021-04-22 00:01Z (archive)
- authority
- NAVAREA II 133/21 291446Z MAR 21.
- position
- 30.188, -15.764
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC.
CANARY ISLANDS.
DNC 01, DNC 08.
1. SURVEY OPERATIONS 30 MAR THRU 21 APR
BY M/V HESPERIDES TOWING 1000 METER LONG CABLE
IN AREAS BOUND BY:
A. 30-52N 018-10W, 32-07N 013-35W,
29-13N 013-35W, 29-00N 014-00W,
29-00N 018-10W.
B. 28-53N 017-43W, 28-59N 016-17W,
28-38N 016-19W, 28-13N 017-21W.
ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 22 APR 21.
This area · survey operations
31 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 082359Z feb by M/V ramon margalef in area within four miles of 28-00.00N…2024-02-02
- Survey operations in progress until 090800Z feb by M/V sarmiento de gamboa in area bound by 28-34.70N…2024-01-28
- Survey operations 221900Z jan thru 010800Z feb by M/V sarmiento de gamboa in area bound by 28-16.80N…2024-01-21
- Survey operations 281500Z feb to 011700Z mar by M/V sarmiento de gamboa in area within seven miles of…2023-02-28
- Underwater operations 261500Z thru 281300Z feb in area within 7 miles of 29-10.00N 015-29.00W2023-02-26
- Survey operations in progress until further notice by M/V sarmiento de gamboa towing 300 meter long cable…2022-06-21
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.