Underwater ordnance detonations 230001Z to 242359Z oct within 220 miles of 56-30N 035-45W
North Atlantic Ocean · HYDROLANT 2698/01
What this record establishes
Archived notice · 2001-10-25 00:59Z
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) · CTG 84.1 171620Z OCT 01. Issued 2001-10-18 09:25Z. 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
- North Atlantic Ocean. The parsed report position is 56.500, -35.750 with a 220.0 nm radius. 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 North Atlantic Ocean →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-10-23 00:01Z | 2001-10-24 23:59Z | — | 47 h 58 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2001-10-18 09:25Z
- status
- Archived notice
- self-cancels
- 2001-10-25 00:59Z
- authority
- CTG 84.1 171620Z OCT 01
- issued by
- CTG
- sea
- North Atlantic Ocean
- position
- 56.500, -35.750 · r 220.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 230001Z TO 242359Z OCT WITHIN 220 MILES OF 56-30N 035-45W. 2. CANCEL THIS MSG 250059Z OCT.
Reading this warning
- Unexploded ordnance
- Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
- 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.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · ordnance operations
9 within 180 nm since 2000 · 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.
- Underwater ordnance detonations 230001Z to 242359Z oct within 200 miles 56-30N 035-45W2001-10-21
- Underwater ordnance detonations 230001Z to 242359Z oct within 200 miles 56-30N 035-45W2001-10-21
- Underwater ordnance detonations 230001Z to 242359Z oct within 220 miles of 56-30N 035-45W2001-10-18
- Underwater ordnance detonations 170600Z to 180600Z oct within 220 miles of 56-30N 035-45W2001-10-12
- Underwater ordnance detonations 170600Z to 180600Z oct within 220 miles of 56-30N 035-45W2001-10-12
- Underwater ordnance detonations 291630Z to 301630Z jun within 100 miles of 55-50N 036-26W2001-06-22
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 2026-09-30 18:48Z; 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.