Nav aids

Gantheaume Point light at 17-58.44S 122-10.64E is unreliable.

Indian Ocean · HYDROPAC 2713/23

What this record establishes

Cancelled notice · 2026-08-14 18:10Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · AUSCOAST 199/23 230805Z AUG 23.. Issued 2023-08-23 08:36Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-17 15:50Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Indian Ocean. The parsed report position is -17.974, 122.177. 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 Indian Ocean →

issued: 2023-08-23 08:36Z
status: Cancelled notice
authority: AUSCOAST 199/23 230805Z AUG 23.
issued by: AUSCOAST
sea: Indian Ocean
position: -17.974, 122.177
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:41Z

Original warning text

EASTERN INDIAN OCEAN.
AUSTRALIA.
DNC 04.
GANTHEAUME POINT LIGHT 17-58.44S 122-10.64E
UNRELIABLE.

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.
Inoperative / unreliable / off air: An aid or radio service is not working as charted or published.

All warning terms →

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

46 within 180 nm since 1999 · 1 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.

Gantheaume point light 17-58.45S 122-10.65E unreliable2025-12-02
Adele island light 15-30.62S 123-09.46E unreliable2025-02-09
Gantheaume point light 17-58.45S 122-10.65E unlit2024-03-26
Gantheaume point light 17-58.45S 122-10.65E unreliable2024-03-08
Gantheaume point light in 17-58.45S 122-10.65E unlit2024-02-21
Gantheaume point light 17-58.4S 122-10.6E unreliable2022-01-31

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

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

Worldwide in the collected sources

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

Record snapshot 2026-09-30 04:25Z; 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.