Cable ops

Seismic survey in progress until further notice by M/V ramform challenger towing 12 7500 meter long cables…

North Sea · HYDROLANT 1815/15

issued
2015-07-23 13:16Z
status
cancelled 2015-08-11 09:46Z (archive)
cancels
HYDROLANT 1788/15
authority
NAVAREA I 207/15 231210Z JUL 15.
position
59.886, 0.768
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DNC 20.
1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE
   BY M/V RAMFORM CHALLENGER TOWING 12
   7500 METER LONG CABLES IN AREA BOUND BY
   60-00.2N 000-32.0E, 60-00.4N 001-00.1E,
   59-46.0N 001-00.1E, 59-46.0N 000-32.0E.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1788/15.

This area · cable & pipeline work

223 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

98
00
05
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15
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23

Season · when cable & pipeline work happen here

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M
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

35 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.