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Cancel HYDROLANT 664/18 and this msg

Eastern South Atlantic · Namibia · HYDROLANT 1186/18

issued: 2018-04-13 09:47Z
status: cancelled 2018-04-13 09:47Z (archive)
cancels: HYDROLANT 664/18
authority: NAVAREA VII 127/18 130700Z APR 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
NAMIBIA.
DNC 01.
CANCEL HYDROLANT 664/18 AND THIS MSG.

Timeline

Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…cancels · 2018-02-26
Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…replaced · 2018-02-26

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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.