Ordnance
Underwater ordnance detonations 291630Z to 301630Z jun in area between 56-40N 55-00N and 037-57W 034-56W
HYDROLANT 1825/01
What this record establishes
Archived notice · 2001-06-30 17:30Z
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 221630Z JUN 01; NAVAREA III 319/01 AOR-E EGC #416 251202Z JUN 01. Issued 2001-06-25 16:31Z. 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
- No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Large structure established in 34-34.1N 012-31.6Ecancelled by this notice
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-06-29 16:30Z | 2001-06-30 16:30Z | — | 24 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2001-06-25 16:31Z
- status
- Archived notice
- self-cancels
- 2001-06-30 17:30Z
- authority
- CTG 84.1 221630Z JUN 01; NAVAREA III 319/01 AOR-E EGC #416 251202Z JUN 01
- NAVAREA
- NAVAREA III · named as the source of this relay
- issued by
- CTG
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 291630Z TO 301630Z JUN IN AREA BETWEEN 56-40N 55-00N AND 037-57W 034-56W. 2. CANCEL HYDROLANT 1810/01(52). 3. CANCEL THIS MSG 301730Z JUN.
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.
- 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.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
0 ordnance operations listed in force · see all
Record snapshot 2026-10-02 13:12Z; 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.