Cable ops

Seismic survey by M/V ramform valiant towing eight 8100 meter long cables as follows: a. 251000Z to 261900Z…

HYDROLANT 1957/06

issued
2006-10-24 13:23Z
status
cancelled 2006-10-30 07:34Z (archive)
self-cancels
2006-11-02 03:59Z
cancels
HYDROLANT 1943/06
authority
NAVAREA V 709/06 241232Z OCT 06.
sea
South Atlantic Ocean
position
-25.362, -45.580
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY BY M/V RAMFORM VALIANT TOWING EIGHT
   8100 METER LONG CABLES AS FOLLOWS:
   A. 251000Z TO 261900Z OCT IN AREA BOUND BY
      25-35.00S 045-55.00W, 25-04.00S 045-17.00W,
      25-15.92S 045-06.57W, 25-46.27S 045-45.12W.
   B. 261900Z OCT TO 020259Z NOV IN AREA BOUND BY
      25-27.30S 046-03.15W, 24-57.50S 045-24.45W,
      25-15.92S 045-06.57W, 25-46.27S 045-45.12W.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1943/06.
3. CANCEL THIS MSG 020359Z NOV.

Activity windows · 2 in this warning

opens (UTC)closes (UTC)locallength
2006-10-25 10:00Z2006-10-26 19:00Z33 h
2006-10-26 19:00Z2006-11-02 02:59Z151 h 59

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

1534 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

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23

Season · when cable & pipeline work happen here

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M
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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.