Other

Geophysical survey until 060259Z nov by M/V reflect aries along trackline joining 35-14.75S 053-10.90W,…

South Atlantic Ocean · HYDROLANT 807/11

What this record establishes

Archived notice · 2011-11-06 03:59Z

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) · NAVAREA V 264/11 120017Z MAY 11.. Issued 2011-05-12 01:42Z. 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
South Atlantic Ocean. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.

Current notices and reporting history in the South Atlantic Ocean →

issued
2011-05-12 01:42Z
status
Archived notice
self-cancels
2011-11-06 03:59Z
authority
NAVAREA V 264/11 120017Z MAY 11.
NAVAREA
NAVAREA V · named as the source of this relay
sea
South Atlantic Ocean
position
-36.285, -52.973
vessel
M/V REFLECT ARIES · 11 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

ARGENTINA-NORTHEAST COAST.
URUGUAY-SOUTHEAST COAST.
1. GEOPHYSICAL SURVEY UNTIL 060259Z NOV
   BY M/V REFLECT ARIES ALONG TRACKLINE JOINING
   35-14.75S 053-10.90W, 36-00.40S 051-48.93W,
   35-51.47S 051-50.15W, 35-32.32S 052-26.20W,
   35-55.48S 053-01.03W, 36-42.77S 053-31.82W,
   36-37.95S 053-37.02W, 36-54.42S 053-09.47W,
   36-46.43S 052-54.12W, 36-14.27S 053-48.57W,
   36-21.20S 053-46.98W, 36-47.27S 053-01.53W,
   36-51.65S 053-06.02W, 36-34.80S 053-34.62W,
   36-18.45S 053-30.35W, 36-48.83S 052-33.37W,
   36-41.60S 052-23.10W, 36-09.65S 053-17.73W.
   6.5 MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 788/11.
3. CANCEL THIS MSG 060359Z NOV.

Reading this warning

Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
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 · other warnings

26 within 180 nm since 1997 · 0 in the last 12 months · 0 listed in force now

97
00
05
10
14

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

23 other warnings listed in force · see all

Record snapshot 2026-09-29 18:41Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.