Cable ops

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

HYDROLANT 542/04

issued
2004-04-02 08:10Z
status
cancelled 2004-04-05 03:59Z (archive)
self-cancels
2004-04-05 03:59Z
cancels
HYDROLANT 529/04HYDROLANT 538/04
authority
1. NAVAREA V 286/04 2. NAVAREA V 294/04 020402Z APR 04
sea
South Atlantic Ocean
position
-25.506, -45.698
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL 050259Z APR
   BY M/V CGG HARMATTAN TOWING SIX 6000 METER
   LONG CABLES IN AREA BOUND BY
   25-30S 045-56W, 25-35S 045-56W,
   25-30S 045-27W, 25-26S 045-26W.
   FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 529/04 AND 538/04.
3. CANCEL THIS MSG 050359Z APR.

This area · cable & pipeline work

1441 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.