Nav aids

Eight six meter buoys, yellow, fl w 3 sec, established in area within one mile of 39-13.3S 142-50.3E

Great Australian Bight · HYDROPAC 3664/21

What this record establishes

Archived notice · 2022-01-17 04:44Z

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 287/21 172353Z DEC 21.. Issued 2021-12-18 00:10Z. 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
Great Australian Bight. The parsed report position is -39.222, 142.838 with a 1.0 nm radius. 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 Great Australian Bight →

issued
2021-12-18 00:10Z
status
Archived notice
authority
AUSCOAST 287/21 172353Z DEC 21.
issued by
AUSCOAST
sea
Great Australian Bight
position
-39.222, 142.838 · r 1.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GREAT AUSTRALIAN BIGHT.
AUSTRALIA-SOUTHEAST COAST.
DNC 05.
EIGHT SIX METER BUOYS, YELLOW, FL W 3 SEC,
ESTABLISHED IN AREA WITHIN ONE MILE OF
39-13.3S 142-50.3E.
TWO MILE BERTH REQUESTED.

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.
Light characteristic
The coded description of a light — FL W 10 SEC 8 METERS 8 MILES — giving its rhythm, colour, period, height and range.
Within a radius of
A circular area — every position within a stated distance of a point.
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.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.

All warning terms →

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

169 within 180 nm since 1999 · 12 in the last 12 months · 3 listed in force now

99
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

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

Record snapshot 2026-10-03 05:10Z; 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.