Cable ops

Seismic survey in progress until 190259Z apr by M/V cgg harmattan towing six 6000 meter long cables in area…

HYDROLANT 642/04

issued: 2004-04-17 13:46Z
status: cancelled 2004-04-19 03:59Z (archive)
self-cancels: 2004-04-19 03:59Z
authority: NAVAREAV 342/04 171240Z APR 04
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL 190259Z APR
   BY M/V CGG HARMATTAN TOWING SIX 6000 METER
   LONG CABLES IN AREA BETWEEN
   20-50S 21-15S AND 39-55W 40-05W.
   FOUR MILE BERTH REQUESTED.
2. CANCEL THIS MSG 190359Z APR.

Nearby now · within 120 nm

Nothing else in force 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.