Surveys

Survey operations in progress until 010001Z may by M/V ramform atlas towing 12 9000 meter long cables in…

Eastern North Atlantic · Guinea-bissau · HYDROLANT 478/19

issued
2019-02-14 02:25Z
status
cancelled 2019-05-01 01:00Z (archive)
self-cancels
2019-05-01 01:00Z
authority
NAVAREA II 64/19 140219Z FEB 19.
sea
North Atlantic Ocean
position
9.421, -16.956
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
GUINEA-BISSAU.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 010001Z MAY
   BY M/V RAMFORM ATLAS TOWING 12 9000 METER
   LONG CABLES IN AREA BOUND BY
   09-13.5N 017-41.0W, 10-06.0N 016-24.3W,
   09-43.0N 016-06.2W, 08-40.0N 017-39.0W.
   SEVEN MILE BERTH REQUESTED.
2. CANCEL THIS MSG 010100Z MAY 19.

This area · survey operations

5 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

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05
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15
19

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

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.