Nav aids

Ilha maiau light 01-16.92S 044-54.21W temporarily established

South Atlantic Ocean · HYDROLANT 1893/23

What this record establishes

Archived notice · 2024-02-19 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) · NAVAREA V COASTAL 464/23 232021Z AUG 23.. Issued 2023-08-24 06:37Z. 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 -1.282, -44.904. 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: 2023-08-24 06:37Z
status: Archived notice
self-cancels: 2024-02-19 00:01Z
authority: NAVAREA V COASTAL 464/23 232021Z AUG 23.
NAVAREA: NAVAREA V · named as the source of this relay
issued by: NAVAREA V COASTAL
sea: South Atlantic Ocean
position: -1.282, -44.904
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. ILHA MAIAU LIGHT 01-16.92S 044-54.21W
   TEMPORARILY ESTABLISHED.
2. CANCEL THIS MSG 190001Z FEB 24.

Reading this warning

DNC (Digital Nautical Chart): A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
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.

All warning terms →

Collected reports in this area · aids-to-navigation notices

219 within 180 nm since 1998 · 2 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.

Curuca light 00-33.88S 047-45.98W unlit until 20 feb 272026-08-25
Caete light 00-49.02S 046-36.86W destroyed2026-03-07
Santana light 02-16.23S 043-37.43W unlit until 03 dec2024-06-06
Ilha maiau light 01-16.90S 044-54.20W unlit until 27 oct2024-05-01
Radio beacon at ponta de sao marcos in 02-29.29S 044-18.12W off air until 29 sep2024-04-02
Ponta de sao marcos light in 02-29.31S 044-18.12W unlit until 29 sep2024-04-02

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

Depths less than charted in areas bound by: a. 02-10.17S 044-09.21W, 02-10.31S 044-09.39W, 02-10.35S…Wrecks · 69.8 nm

Worldwide in the collected sources

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

Record snapshot 2026-09-25 21:46Z; 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.