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Cancel HYDROLANT 1421/10 and this msg, operations completed

Southern North Sea · England-east Coast · HYDROLANT 1585/10

issued: 2010-08-22 00:44Z
status: cancelled 2010-08-22 00:44Z (archive)
cancels: HYDROLANT 1421/10
authority: NAVAREA I 232/10 212306Z AUG 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTHERN NORTH SEA.
ENGLAND-EAST COAST.
CANCEL HYDROLANT 1421/10 AND THIS MSG, OPERATIONS COMPLETED.

Timeline

Seismic survey in progress until further notice by M/V cgg amadeus towing eight 4500 meter long cables in…cancels · 2010-07-25
Seismic survey in progress until further notice by M/V cgg amadeus towing eight 4500 meter long cables in…replaced · 2010-07-25

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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.