Surveys

Survey operations in progress until 30 sep by M/V ramform tethys towing 16 9500 meter long cables in are…

Western North Atlantic · NAVAREA IV 537/17

issued
2017-06-25 13:51Z
status
cancelled 2017-10-01 00:01Z (archive)
authority
RAMFORM TETHYS 251338Z JUN 17.
sea
North Atlantic Ocean
position
48.689, -47.649
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 SEP
   BY M/V RAMFORM TETHYS TOWING 16 9500 METER
   LONG CABLES IN ARE BOUND BY
   49-04N 048-45W, 49-04N 046-21W,
   48-37N 046-21W, 48-37N 046-38W,
   48-26N 046-38W, 48-26N 047-10W,
   48-15N 047-10W, 48-15N 048-45W.
   SEVEN MILE BERTH REQUESTED.
2. CANCEL THIS MSG 01 OCT 17.

This area · survey operations

25 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

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21

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

84 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

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.