Surveys
Underwater operations in progress until further notice by M/V mansal 18 with submersible along trackline…
HYDROLANT 1247/00
- issued
- 2000-04-08 16:30Z
- status
- cancelled 2000-04-08 18:47Z (archive)
- authority
- WZ 631/00 081513Z APR 00
- sea
- North Sea
- position
- 52.083, 2.033
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V MANSAL 18 WITH SUBMERSIBLE ALONG TRACKLINE BETWEEN 51-59N 002-13E AND 52-11N 001-51E. WIDE BERTH REQUESTED.
This area · survey operations
484 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 1247/00 and this msg, operations suspendedcancelled by · 2000-04-08
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.