Unexploded ordnance in vicinity 51-14.2N 003-10.3W
Bristol Channel · HYDROLANT 2440/17
What this record establishes
Archived notice · 2017-08-08 09:37Z
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 964/17 071707Z AUG 17.. Issued 2017-08-07 17:51Z. 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 51.237, -3.172. 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
- Unexploded ordnance in vicinity 51-14.2N 003-10.3Wlater cancellation notice
Current notices and reporting history in the Bristol Channel →
- issued
- 2017-08-07 17:51Z
- status
- Archived notice
- authority
- WZ 964/17 071707Z AUG 17.
- issued by
- WZ
- sea
- Bristol Channel
- position
- 51.237, -3.172
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BRISTOL CHANNEL. ENGLAND-WEST COAST. DNC 20. CHART 35024. UNEXPLODED ORDNANCE IN VICINITY 51-14.2N 003-10.3W.
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.
- Unexploded ordnance
- Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
- 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.
Collected reports in this area · ordnance operations
35 within 180 nm since 1997 · 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.
- Unexploded ordnance in 50-31.33N 000-46.17W2019-01-14
- Unexploded ordnance marked by buoys in 51-44.27N 001-01.24E2018-08-30
- Unexploded ordnance in: a. 51-59.8N 001-26.0E2018-06-04
- Unexploded ordnance in: a. 51-59.8N 001-26.0E2018-04-23
- Unexploded ordnance in: a. 51-59.8N 001-26.0E2018-04-13
- Unexploded ordnance in 51-59.8N 001-26.0E2018-04-07
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
0 ordnance operations listed in force · see all
Record snapshot 2026-10-02 12:03Z; source collection times vary.
Ordnance
Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance operations →
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.