Cable ops

Seismic survey in progress until 050259Z mar by M/V cgg harmattan towing six 6000 meter long cables in area…

HYDROLANT 341/04

issued
2004-02-28 05:32Z
status
cancelled 2004-03-04 08:20Z (archive)
self-cancels
2004-03-05 03:59Z
cancels
HYDROLANT 289/04
authority
NAVAREA V 170/04 280452Z FEB 04; NAVAREA V 172/04 28 FEB 04
sea
South Atlantic Ocean
position
-25.637, -45.536
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL 050259Z MAR
   BY M/V CGG HARMATTAN TOWING SIX 6000 METER
   LONG CABLES IN AREA BOUND BY
   25-35S 045-56W, 25-50S 045-52W,
   25-42S 045-08W, 25-26S 045-14W.
   FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 289/04.
3. CANCEL THIS MSG 050359Z MAR.

This area · cable & pipeline work

1505 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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Season · when cable & pipeline work happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

40 cable & pipeline work in force · see all

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work

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.