Containers

Container adrift in 51-30N 004-00W at 291230Z oct

Bristol Channel · HYDROLANT 3307/20

What this record establishes

Archived notice · 2020-10-29 15:07Z

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) · WZ 1169/20 291341Z OCT 20.. Issued 2020-10-29 13:49Z. 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
Bristol Channel. The parsed report position is 51.500, -4.000. 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

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROLANT 3185/202020-10-20 · Archived notice
  2. HYDROLANT 3187/202020-10-21 · Archived notice
  3. HYDROLANT 3195/202020-10-21 · Archived notice
  4. HYDROLANT 3221/202020-10-23 · Archived notice
  5. HYDROLANT 3226/202020-10-23 · Archived notice
  6. HYDROLANT 3239/202020-10-24 · Archived notice
Compare all 11 notices, changes and original texts →

Current notices and reporting history in the Bristol Channel →

issued
2020-10-29 13:49Z
status
Archived notice
self-cancels
2020-11-01 13:49Z
authority
WZ 1169/20 291341Z OCT 20.
issued by
WZ
sea
Bristol Channel
position
51.500, -4.000
containers
1
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BRISTOL CHANNEL.
WALES.
DNC 20.
1. CONTAINER ADRIFT IN 51-30N 004-00W
   AT 291230Z OCT.
2. CANCEL THIS MSG 011349Z NOV 20.

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

111 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
23

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 06:01Z; 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.