Cable ops

Seismic survey 16 thru 23 dec by M/V nan hai towing 4.1 mile long cable in area bound by 20-20S 039-30W,…

HYDROLANT 2718/99

issued
1999-12-15 04:30Z
status
cancelled 1999-12-24 06:00Z (archive)
cancels
HYDROLANT 2712/99
authority
NAVAREA V 1135/99 150403Z DEC 99
sea
South Atlantic Ocean
position
-21.667, -39.250
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY 16 THRU 23 DEC BY M/V NAN HAI TOWING
   4.1 MILE LONG CABLE IN AREA BOUND BY 20-20S 039-30W,
   20-20S 039-00W, 23-00S 039-30W, 23-00S 039-00W.
   FIVE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 2712/99.
3. CANCEL THIS MSG 24 DEC.

This area · cable & pipeline work

1437 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

98
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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.