Containers

Great australian bight

Great Australian Bight · HYDROPAC 2477/16

What this record establishes

Archived notice · 2016-08-21 10:20Z

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) · SEA SAFETY 36/16 180930Z AUG 16.. Issued 2016-08-18 10:20Z. 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 -36.067, 122.233. 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 Great Australian Bight →

issued
2016-08-18 10:20Z
status
Archived notice
self-cancels
2016-08-21 10:20Z
authority
SEA SAFETY 36/16 180930Z AUG 16.
issued by
SEA SAFETY
sea
Great Australian Bight
position
-36.067, 122.233
containers
20
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SOUTHEASTERN INDIAN OCEAN.
GREAT AUSTRALIAN BIGHT.
AUSTRALIA-SOUTH COAST
DNC 04.
1. 20 CONTAINERS ADRIFT VICINITY 36-04S 122-14E
   AT 180645Z AUG.
2. CANCEL THIS MSG 211020Z AUG 16.

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.
Lost containers
Shipping containers lost overboard, reported floating or semi-submerged, often in groups after a single incident.
Adrift
Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
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.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · drifting containers

1 within 180 nm since 2016 · 0 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.

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

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

Worldwide in the collected sources

0 drifting containers listed in force · see all

Record snapshot 2026-10-02 22:20Z; source collection times vary.

Containers

Shipping containers lost overboard and reported adrift or semi-submerged. All current drifting containers →

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.