Cable ops

Seismic survey in progress until further notice by M/V ramform challenger towing ten 9000 meter long cables…

North Sea · HYDROLANT 2039/15

issued
2015-08-19 21:56Z
status
cancelled 2015-08-31 18:46Z (archive)
authority
NAVAREA I 241/15 191925Z AUG 15.
sea
North Sea
position
56.864, 3.298
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DNC 20, DNC 21..
SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE
BY M/V RAMFORM CHALLENGER TOWING TEN
9000 METER LONG CABLES IN AREA BOUND BY
56-53.9N 002-34.8E, 56-31.2N 002-57.4E,
56-49.6N 004-00.6E, 57-12.5N 003-38.9E.
SIX MILE BERTH REQUESTED.

This area · cable & pipeline work

209 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
20
23

Season · when cable & pipeline work happen here

J
F
M
A
M
J
J
A
S
O
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D

month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

40 cable & pipeline work in force · see all

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work

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.