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S 9004/26

Received: 5 Oct 2026, 09:41Active until: 1 Dec 2026, 20:00Updated: 1 Nov 2026, 03:42
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analysis

Activeuntil 01 Dec 2026, 20:00 UTC (in 29 days)

AIS AtoN signals replicated via Fortaleza de Santa Cruz for nearby light buoys

AIS AtoN signals for multiple light buoys are being replicated by the coast station installed at Fortaleza de Santa Cruz. The message lists positions for several light buoys (URCA, Ponta da Areia and numbered buoys). It cancels LOCAL S 8062/26. The warning is self-cancelling on 01 Dec 2026 at 2000 UTC.

Be aware AIS AtoN signals are being transmitted via the Fortaleza de Santa Cruz coast station; verify buoy identity and visual lights where critical and do not rely solely on AIS for navigation.

Type
Aids to navigation · severity low
Feed
Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
Location
Fortaleza de Santa Cruz and nearby light buoys (approaches to Niteroi/Rio de Janeiro)
Validity
Until 01 Dec 2026, 20:00 UTCCANCEL THIS WARNING 012000 UTC DEC 26.
Hazards
AIS AtoN signals replicated
Cancels
LOCAL S 8062/26
Charts
CHART 1511, CHART 1512

Coast stations for this area

Aids to navigation affected

  • Newly establishedURCA LIGHT BUOY · NRORD 2421 · 22-57.47S 043-09.01W
  • Newly establishedLIGHT BUOY NR 1 · NRORD 2620 · 22-53.25S 043-09.88W
  • Newly establishedLIGHT BUOY NR 3 · NRORD 2624 · 22-53.32S 043-10.34W
  • Newly establishedLIGHT BUOY NR 4 · NRORD 2672 · 22-52.65S 043-11.88W
  • Newly establishedLIGHT BUOY NR 6 · NRORD 2676 · 22-52.67S 043-12.26W
  • Newly establishedPONTA DA AREIA LIGHT BUOY · NRORD 2455.1 · 22-52.55S 043-07.61W
  • Newly establishedLIGHT BUOY NR 4 · NRORD 2625 · 22-53.42S 043-10.34W
  • Newly establishedLIGHT BUOY TECON · NRORD 2654 · 22-53.41S 043-10.72W

No aids-to-navigation list in the database yet; aids are shown as the warning names them.

Generated automatically from the warning text on 07 Oct 2026, 12:30 UTC. It can be wrong: the original warning below is the authoritative text.

Message content
CHART 1511 AND 1512 SINAIS AIS ATON REPLICADOS POR MEIO DA COAST STATION INSTALADA NA FORTALEZA DE SANTA CRUZ URCA LIGHT BUOY NRORD 2421 22-57.47S 043-09.01W LIGHT BUOY NR 1 NRORD 2620 22-53.25S 043-09.88W LIGHT BUOY NR 3 NRORD 2624 22-53.32S 043-10.34W LIGHT BUOY NR 4 NRORD 2672 22-52.65S 043-11.88W LIGHT BUOY NR 6 NRORD 2676 22-52.67S 043-12.26W PONTA DA AREIA LIGHT BUOY NRORD 2455.1 22-52.55S 043-07.61W LIGHT BUOY NR 4 NRORD 2625 22-53.42S 043-10.34W LIGHT BUOY TECON NRORD 2654 22-53.41S 043-10.72W CANCEL LOCAL S 8062/26 CANCEL THIS WARNING 012000 UTC DEC 26.

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