Cable ops

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

North Sea · HYDROLANT 1788/15

issued: 2015-07-20 13:58Z
status: cancelled 2015-07-23 13:16Z (archive)
cancels: HYDROLANT 1386/15
authority: NAVAREA I 205/15 201237Z JUL 15.
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 BETWEEN BY
   59-37.8N 60-08.8N AND 000-16.2E 001-17.2E.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1386/15.

Timeline

Seismic survey in progress until further notice by M/V ramform challenger towing 12 7500 meter long cables…cancels · 2015-06-07
Seismic survey in progress until further notice by M/V ramform challenger towing 12 7500 meter long cables…replaced · 2015-06-07
Seismic survey in progress until further notice by M/V ramform challenger towing 12 7500 meter long cables…cancelled by · 2015-07-23

Nearby now · within 120 nm

Nothing else in force 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.