Surveys

Survey operations 05 thru 31 dec by M/V urbano monti in area bound by 07-47.41N 052-57.88W, 07-21.06N…

North Atlantic Ocean · NAVAREA IV 1083/21

What this record establishes

Archived notice · 2021-12-13 20:04Z

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) · AVURNAV CAYENNE 45/21 021412Z DEC 21.. Issued 2021-12-02 15:54Z. 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
North Atlantic Ocean. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the North Atlantic Ocean →

issued
2021-12-02 15:54Z
status
Archived notice
authority
AVURNAV CAYENNE 45/21 021412Z DEC 21.
NAVAREA
NAVAREA IV
issued by
AVURNAV CAYENNE
sea
North Atlantic Ocean
position
6.415, -52.289
vessel
M/V URBANO MONTI · 26 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
FRENCH GUIANA.
1. SURVEY OPERATIONS 05 THRU 31 DEC BY
   M/V URBANO MONTI IN AREA BOUND BY
   07-47.41N 052-57.88W, 07-21.06N 052-28.74W,
   07-15.67N 052-17.37W, 07-11.58N 052-10.62W,
   06-25.93N 051-45.57W, 06-16.10N 051-33.37W,
   06-09.55N 051-35.57W, 05-19.86N 052-12.27W,
   05-13.31N 052-11.91W, 05-10.45N 052-11.61W,
   05-09.79N 052-11.54W, 05-09.43N 052-11.55W,
   05-09.20N 052-11.61W, 05-09.01N 052-11.69W,
   05-03.93N 052-15.66W, 05-00.04N 052-17.96W,
   04-58.30N 052-19.08W, 04-58.12N 052-19.17W,
   04-57.40N 052-19.38W, 04-57.14N 052-19.42W,
   04-56.64N 052-19.37W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 01 JAN 22.

Reading this warning

Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
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.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
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

37 within 180 nm since 2003 · 1 in the last 12 months · 0 listed in force now

03
05
10
15
20
25
26

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-04 04:45Z; 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.