Surveys
Survey operations in progress until 03 nov by M/V shelia bordelon, M/V sw gallien, M/V sw mikkelsen and M/V…
Gulf of Mexico · Louisiana · NAVAREA IV 483/23
- issued
- 2023-04-30 15:13Z
- status
- cancelled 2023-11-04 00:01Z (archive)
- self-cancels
- 2023-11-04 00:01Z
- cancels
- NAVAREA IV 481/23
- authority
- SW GALLIEN 0/23 301505Z APR 23.
- position
- 27.540, -91.577
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF MEXICO. LOUISIANA. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 03 NOV BY M/V SHELIA BORDELON, M/V SW GALLIEN, M/V SW MIKKELSEN AND M/V SARAH BORDELON IN AREA BOUND BY 26-50.26N 092-18.75W, 26-49.46N 090-51.51W, 28-14.33N 090-49.94W, 28-15.19N 092-18.30W. WIDE BERTH REQUESTED. 2. CANCEL NAVAREA IV 481/23. 3. CANCEL THIS MSG 040001Z NOV 23.
This area · survey operations
52 within 180 nm since 2002 · 2 in the last 12 months · 2 in force now
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- Survey operations in progress until 31 dec by M/V island frontier in area bound by 27-54.83N 092-06.05W,…2026-08-06
- Survey operations in progress until 15 sep by M/V island pride, M/V sanco swift and M/V olympic artemis in…2026-06-15
- Survey operations 01 apr thru 15 jun by M/V sanco sword, M/V olympic artemis, M/V fulmar explorer and M/V…2024-03-29
- Survey operations in progress until 30 apr by M/V chloe candies, M/V sanco spirit and M/V artemis athene in…2024-02-21
- Survey operations in progress until 30 may in area bound by 27-31.90N 090-24.60W, 27-33.10N 092-03.90W,…2024-02-15
- Survey operations in progress until 30 apr 24 by M/V olympic delta, M/V pxgeo 2 and M/V artemis athene in…2023-12-11
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.