Surveys

Survey operations in progress until 30 apr 2023 by M/V sw mikkelsen and M/V sw gallien in area bound by…

Gulf of Mexico · Louisiana · NAVAREA IV 1343/22

issued
2022-12-12 14:46Z
status
cancelled 2023-04-22 17:24Z (archive)
self-cancels
2023-05-01 00:01Z
authority
SW MIKKELSEN 0/22 121401Z DEC 22.
position
27.092, -90.689
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF MEXICO.
LOUISIANA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 APR 2023 BY
   M/V SW MIKKELSEN AND M/V SW GALLIEN IN AREA BOUND BY
   27-26.61N 091-19.24W, 26-32.33N 091-19.24W,
   26-31.54N 090-07.41W, 27-43.58N 090-06.54W,
   27-44.28N 090-32.14W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z MAY 23.

This area · survey operations

44 within 180 nm since 2002 · 2 in the last 12 months · 2 in force now

02
05
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26

Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

75 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.