Nav aids

Caution is advised to avoid eight unlit orange buoys installed in a 1500 meter radius centered on 24-29.10S…

South Atlantic Ocean · HYDROLANT 1139/11

What this record establishes

Archived notice · 2011-07-16 08:52Z

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 S 582/11 140213Z JUL 11.. Issued 2011-07-14 02:13Z. 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 parsed report position is -24.485, -44.208. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the South Atlantic Ocean →

issued: 2011-07-14 02:13Z
status: Archived notice
authority: NAVAREA V S 582/11 140213Z JUL 11.
NAVAREA: NAVAREA V · named as the source of this relay
issued by: NAVAREA V S
sea: South Atlantic Ocean
position: -24.485, -44.208
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
IHLA GRANDE.
1.  CAUTION IS ADVISED TO AVOID EIGHT UNLIT ORANGE
    BUOYS INSTALLED IN A 1500 METER RADIUS CENTERED
    ON 24-29.10S 044-12.50W FROM 13 JUL THRU 13 SEP.
2.  CANCEL THIS MSG 14 SEP.

Reading this warning

Unlit / extinguished: A light, buoy or structure that is not showing its charted light.
Within a radius of: A circular area — every position within a stated distance of a point.
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 · aids-to-navigation notices

321 within 180 nm since 1999 · 4 in the last 12 months · 0 listed in force now

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.

Ponta dos meros light 23-13.57S 044-20.83W unlit until 24 mar2026-09-26
Ponta dos meros light 23-13.57S 044-20.83W unlit until 26 sep2026-03-31
Odas buoy established in 24-06.36S 045-38.78W2026-03-30
Laje da conceicao light 24-14.18S 046-41.46W unlit until 24 sep2026-03-30
Yellow odas buoy established in 24-08.60S 045-40.70W2024-04-25
Ponta grossa light 23-46.60S 045-13.84W unlit until 14 aug2024-02-17

Month of issue in the collected archive

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

Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 93.5 nm

Worldwide in the collected sources

134 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-02 20:52Z; source collection times vary.

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

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.