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Cancel HYDROLANT 684/20 and this msg

Eastern South Atlantic · Angola · HYDROLANT 1253/20

issued: 2020-04-07 11:47Z
status: cancelled 2020-04-07 11:47Z (archive)
cancels: HYDROLANT 684/20
authority: NAVAREA VII 62/20 070950Z APR 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
ANGOLA.
DNC 01.
CANCEL HYDROLANT 684/20 AND THIS MSG.

Timeline

Survey operations in progress until further notice by M/V ramform vanguard towing ten 8025 meter long cables…cancels · 2020-02-24
Survey operations in progress until further notice by M/V ramform vanguard towing ten 8025 meter long cables…replaced · 2020-02-24

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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.