Surveys

Survey operations in progress until 31 jul 16 by M/V akademik lazarev towing 12000 meter long cable in area…

Gulf of Mexico · NAVAREA IV 987/15

What this record establishes

Archived notice · 2016-08-01 00:01Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · MEXICO IV 232/15 231916Z NOV 15.. Issued 2015-11-23 21:39Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Gulf of Mexico. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Gulf of Mexico →

issued
2015-11-23 21:39Z
status
Archived notice
authority
MEXICO IV 232/15 231916Z NOV 15.
NAVAREA
NAVAREA IV
issued by
MEXICO IV
sea
Gulf of Mexico
position
19.947, -93.707
vessel
M/V AKADEMIK LAZAREV · 47 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GULF OF MEXICO.
BAY OF CAMPECHE.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 31 JUL 16 BY
   M/V AKADEMIK LAZAREV TOWING 12000 METER LONG
   CABLE IN AREA BOUND BY
   18-59.86N 092-36.21W, 20-21.08N 095-11.25W,
   20-52.06N 094-57.40W, 19-45.04N 092-25.96W,
   19-21.61N 092-24.32W.
2. CANCEL THIS MSG 01 AUG 16.

Reading this warning

Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
Towed array / streamer
Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
Tow / towing
A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · survey operations

36 within 180 nm since 2004 · 0 in the last 12 months · 0 listed in force now

04
05
10
15
20
21

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

Worldwide in the collected sources

54 survey operations listed in force · see all

Record snapshot 2026-09-30 00:12Z; source collection times vary.

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.