Surveys

Underwater operations in progress until 23 mar in 28-34-55.8N 093-43-45.6W

NAVAREA IV 84/09

issued
2009-03-08 17:46Z
status
cancelled 2009-03-09 08:13Z (archive)
authority
COMCOGARD SECTOR HOUSTON 226/09 081634Z MAR 09.
sea
Gulf of Mexico
position
28.582, -93.729
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 23 MAR
   IN 28-34-55.8N 093-43-45.6W.
2. CANCEL THIS MSG 24 MAR.

This area · survey operations

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

02
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26

Season · when survey operations happen here

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

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 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.