Cable ops

Seismic survey 160300Z to 190300Z aug by M/V cgg harmattan towing eight 6000 meter long cables in area bound…

HYDROLANT 2256/01

issued
2001-08-15 06:55Z
status
cancelled 2001-08-19 04:00Z (archive)
self-cancels
2001-08-19 04:00Z
cancels
HYDROLANT 2243/01
authority
NAVAREA V 1291/01; NAVAREA V 1292/01 AOR-E EGC #970 150359Z AUG 01
sea
South Atlantic Ocean
position
-22.394, -40.365
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY 160300Z TO 190300Z AUG BY
   M/V CGG HARMATTAN TOWING EIGHT 6000 METER
   LONG CABLES IN AREA BOUND BY 22-22S 040-40W,
   22-37S 040-17W, 22-25S 040-00W,
   22-10S 040-35W. FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 2243/01.
3. CANCEL THIS MSG 190400Z AUG.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2001-08-16 03:00Z2001-08-19 03:00Z72 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · cable & pipeline work

1777 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

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21

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.