Surveys

Survey operations in progress until 20 mar by M/V polarcus adira in area bound by 08-47.51N 054-57.48W,…

Western North Atlantic · NAVAREA IV 57/18

issued: 2018-01-18 09:58Z
status: cancelled 2018-03-21 00:01Z (archive)
cancels: NAVAREA IV 1081/17
authority: POLARCUS ADIRA 180748Z JAN 18.
sea: North Atlantic Ocean
position: 8.417, -54.647
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 20 MAR
   BY M/V POLARCUS ADIRA IN AREA BOUND BY
   08-47.51N 054-57.48W, 08-47.51N 055-22.52W,
   08-17.49N 055-22.52W, 08-32.51N 054-57.48W,
   08-32.51N 054-52.48W, 08-17.34N 054-52.49W,
   08-16.23N 054-58.72W, 08-17.49N 054-14.30W.
   EIGHT MILE BERTH REQUESTED.
2. CANCEL NAVAREA IV 1081/17.
3. CANCEL THIS MSG 21 MAR 18.

This area · survey operations

264 within 180 nm since 2007 · 8 in the last 12 months · 9 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations 20 nov thru 20 jan 18 by M/V polarcus adira in area bound by 08-47.51N 054-57.48W,…cancels · 2017-11-16
Survey operations 20 nov thru 20 jan 18 by M/V polarcus adira in area bound by 08-47.51N 054-57.48W,…replaced · 2017-11-16

Nearby now · within 120 nm

Underwater operations 01 jun thru 31 aug by M/V normand navigator in area bound by 07-28.00N 056-00.00W,…Surveys · 100.5 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.