Nav aids

Australia-northeast coast DNC 04

Indian Ocean · HYDROPAC 79/16

What this record establishes

Archived notice · 2016-01-16 09:40Z

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 6/16 102151Z JAN 16.. Issued 2016-01-10 22:22Z. 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
Indian Ocean. The parsed report position is -19.815, 115.360. 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

Current notices and reporting history in the Indian Ocean →

issued
2016-01-10 22:22Z
status
Archived notice
authority
AUSCOAST 6/16 102151Z JAN 16.
issued by
AUSCOAST
sea
Indian Ocean
position
-19.815, 115.360
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN INDIAN OCEAN.
AUSTRALIA-NORTHEAST COAST
DNC 04.
CHART 74515.
BUOY, FL W 3 SEC, ESTABLISHED IN 19-48.9S 115-21.6E.

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.
Chart reference
The number of the nautical chart on which the reported position lies.
Light characteristic
The coded description of a light — FL W 10 SEC 8 METERS 8 MILES — giving its rhythm, colour, period, height and range.
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.

All warning terms →

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

233 within 180 nm since 1998 · 3 in the last 12 months · 0 listed in force now

98
00
05
10
15
20
25
26

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

Worldwide in the collected sources

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

Record snapshot 2026-10-02 06:34Z; 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.