Surveys
Underwater operations in progress until further notice by M/V normand tonjer with submersible vicinity of…
HYDROLANT 2111/01
- issued
- 2001-07-28 14:16Z
- status
- cancelled 2001-07-29 09:30Z (archive)
- authority
- WZ 1605/01 281112Z JUL 01
- sea
- North Sea
- position
- 51.377, 2.528
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V NORMAND TONJER WITH SUBMERSIBLE VICINITY OF TRACKLINE JOINING 51-39N 002-51E, 51-31N 002-43E, 51-28N, 002-34E, 51-19N 002-24E, 51-04N 002-15E. WIDE BERTH REQUESTED.
This area · survey operations
462 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now
97
00
05
10
15
20
23
- 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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 2111/01 and this msg, operations completedcancelled by · 2001-07-29
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.