Cable ops

Seismic survey in progress until further notice by M/V american explorer towing six 2500 meter long cables…

HYDROLANT 917/99

issued
1999-05-05 15:30Z
status
cancelled 1999-09-09 09:50Z (archive)
cancels
HYDROLANT 503/99
sea
North Sea
position
53.556, 1.661
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SEISMIC SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY
   M/V AMERICAN EXPLORER TOWING SIX 2500 METER LONG CABLES
   IN AREA BOUND BY 53-20N 001-49E, 53-25N 002-06E,
   53-45N 001-36E, 53-45N 001-18E, 53-37N 001-18E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 503/99.

This area · cable & pipeline work

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

99
00
05
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23

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

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.