Surveys
Hydrogaphic survey in progress until further notice by M/V marine explorer towing equipment in area bound by…
HYDROLANT 663/01
- issued
- 2001-02-24 15:36Z
- status
- cancelled 2001-08-13 18:11Z (archive)
- cancels
- HYDROLANT 644/01HYDROLANT 647/01
- authority
- NAVAREA ONE 72/01 241023Z FEB 01; WZ 461/01 240938Z FEB 01; WZ 462/01 241056Z FEB 01
- sea
- North Sea
- position
- 51.631, 2.225
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGAPHIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY M/V MARINE EXPLORER TOWING EQUIPMENT IN AREA BOUND BY 51-21N 001-58E, 51-46N 002-31E, 51-52N 002-31E, 51-55N 002-24E, 51-40N 002-12E, 51-22N 001-49E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 644/01, AID RESTORED. 3. CANCEL HYDROLANT 647/01(35,36), OPERATIONS SUSPENDED.
This area · survey operations
472 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until further notice by M/V mintaka I in vicinity of trackline joining…2023-08-06
- Underwater operations in progress until further notice by M/V uilenspiegel and c/s responder in vicinity of…2022-07-18
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 51-22.80N…2022-07-16
- Survey operations in progress until further notice by M/V nora b in vicinity of trackline joining 50-46.80N…2022-07-12
- Underwater operations in progress until further notice by M/V uilenspiegel in vicinity of trackline joining…2022-07-09
- Underwater operations in progress until further notice by M/V havila phoenix in vicinity of trackline…2022-05-11
Season · when survey operations happen here
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A
M
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month of issue, all years in the archive
Timeline
- Vergoyer nw buoy 50-37N 001-18E unlitcancels · 2001-02-22
- Underwater operations in progress until further notice by M/V havila reel vicinity 55-20N 005-57Wcancels · 2001-02-23
- Vergoyer nw buoy 50-37N 001-18E unlitreplaced · 2001-02-22
- Underwater operations in progress until further notice by M/V havila reel vicinity 55-20N 005-57Wreplaced · 2001-02-23
- Cancel HYDROLANT 663/01 and this msg, survey completedcancelled by · 2001-08-13
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.