Nga chart 74200 (8TH ed)
Coral Sea · HYDROPAC 2245/10
What this record establishes
Archived notice · 2010-10-31 05:32Z
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) · AUSCOAST 266/10 261955Z OCT 10 - AUSCOAST 267/10 261955Z OCT 10.. Issued 2010-10-26 21:49Z. 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
- Coral Sea. The parsed report position is -23.187, 151.903. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Nga chart 74200 (8TH ed)later cancellation notice
- issued
- 2010-10-26 21:49Z
- status
- Archived notice
- authority
- AUSCOAST 266/10 261955Z OCT 10 - AUSCOAST 267/10 261955Z OCT 10.
- issued by
- AUSCOAST
- sea
- Coral Sea
- position
- -23.187, 151.903
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
AUSTRALIA-EAST COAST. NGA CHART 74200 (8TH ED). NORTH REEF LIGHT 23-11.2S 151-54.2E UNRELIABLE AND RACON INOPERATIVE.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- 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.
- RACON (radar beacon)
- A radar beacon on a buoy, lighthouse or structure that answers a ship's radar with a Morse-code mark on the screen.
Collected reports in this area · aids-to-navigation notices
169 within 180 nm since 1998 · 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.
- RACON at north reef light 23-11.10S 151-54.18E unreliable2026-08-27
- North reef RACON alrs vol 2 number K3014 in position 23-11.10S 151-54.18E unreliable2026-08-26
- RACON at north reef light 23-11.10S 151-54.20E unreliable2026-04-17
- Sandy cape light 24-43.80S 153-12.50E changed to fl w 13 sec 20NM2025-11-26
- RACON at north reef light 23-11.10S 151-54.18E unreliable2024-11-03
- North reef light 23-11.10S 151-54.18E unlit2024-11-03
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
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-03 23:54Z; 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.