Surveys

Hydrographic survey in progress until 01 jul by M/V thomas jefferson towing 200 meter long cable in area…

Gulf of Mexico · Louisiana · Texas · NAVAREA IV 146/10

issued
2010-04-16 14:49Z
status
cancelled 2010-07-02 00:01Z (archive)
authority
CCGD8 38/10 151535Z APR 10.
sea
Gulf of Mexico
position
28.878, -93.448
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

GULF OF MEXICO.
LOUISIANA.
TEXAS.
1. HYDROGRAPHIC SURVEY IN PROGRESS UNTIL 01 JUL
   BY M/V THOMAS JEFFERSON TOWING 200 METER
   LONG CABLE IN AREA BOUND BY
   29-05-30N 093-41-30W, 28-36-30N 093-15-12W,
   28-36-30N 093-10-30W, 29-08-24N 093-37-12W.
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 02 JUL.

This area · survey operations

42 within 180 nm since 2002 · 1 in the last 12 months · 1 in force now

02
05
10
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26

Season · when survey operations happen here

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F
M
A
M
J
J
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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force 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.