Underwater ordnance detonations 200800Z to 211200Z dec within 75 miles of 68-25N 016-50W
Greenland Sea · HYDROLANT 3183/01
What this record establishes
Archived notice · 2001-12-21 13:00Z
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 141540Z DEC 01; MARIDIPART LA SPEZIA 476/01 150950Z DEC 01. Issued 2001-12-15 12:10Z. 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
- Greenland Sea. The parsed report position is 68.417, -16.833 with a 75.0 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
- Punta polveraia light 42-47.6N 010-06.7E unlitcancelled by this notice
Current notices and reporting history in the Greenland Sea →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-12-20 08:00Z | 2001-12-21 12:00Z | — | 28 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2001-12-15 12:10Z
- status
- Archived notice
- self-cancels
- 2001-12-21 13:00Z
- authority
- CTG 84.1 141540Z DEC 01; MARIDIPART LA SPEZIA 476/01 150950Z DEC 01
- issued by
- CTG
- sea
- Greenland Sea
- position
- 68.417, -16.833 · r 75.0 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 200800Z TO 211200Z DEC WITHIN 75 MILES OF 68-25N 016-50W. 2. CANCEL HYDROLANT 3178/01(53), AID RESTORED. 3. CANCEL THIS MSG 211300Z DEC.
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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
- 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
36 within 180 nm since 1999 · 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 200001Z to 211159Z oct within 80 miles of 68-50N 015-56W2003-10-18
- Underwater ordnance detonations 200001Z to 211159Z oct within 80 miles of 68-50N 015-56W2003-10-16
- Underwater ordnance detonations 150001Z to 152359Z oct within 80 miles of 68-50N 015-56W2003-10-13
- Underwater ordnance detonations 060001Z to 062359Z jun within 100 miles of 68-50N 015-56W2003-06-04
- Unexploded ordnance vicinity: a. 68-40N 011-03W2003-02-20
- Underwater ordnance detonations 200001Z to 202359Z feb within 100 miles of 68-50N 015-56W2003-02-18
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 2026-10-01 18:33Z; 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.