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Cancel HYDROLANT 172/21 and this msg

Eastern South Atlantic · Angola · HYDROLANT 1248/21

issued: 2021-05-05 18:46Z
status: cancelled 2021-05-05 18:46Z (archive)
cancels: HYDROLANT 172/21
authority: NAVAREA VII 144/21 051827Z MAY 21.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
ANGOLA.
DNC 01.
CANCEL HYDROLANT 172/21 AND THIS MSG.

Timeline

Survey operations in progress until further notice by M/V ramform atlas towing ten 10200 meter long cables,…cancels · 2021-01-18
Survey operations in progress until further notice by M/V ramform atlas towing ten 10200 meter long cables,…replaced · 2021-01-18

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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.