Hazardous operations: a. 310600Z to 311400Z may in area between 44-06N 43-58N and 006-52W 006-41W
Bay of Biscay · HYDROLANT 1695/18
What this record establishes
Archived notice · 2018-05-31 15:00Z
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) · NAVAREA II 239/18 300747Z MAY 18.. Issued 2018-05-30 07:55Z. 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
- Bay of Biscay. The parsed report position is 43.750, -5.217 with a 2.0 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 Bay of Biscay →
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-05-30 08:00Z | 2018-05-30 15:00Z | — | 7 h |
| 2018-05-31 06:00Z | 2018-05-31 14:00Z | — | 8 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2018-05-30 07:55Z
- status
- Archived notice
- self-cancels
- 2018-05-31 15:00Z
- authority
- NAVAREA II 239/18 300747Z MAY 18.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- Bay of Biscay
- position
- 43.750, -5.217 · r 2.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BAY OF BISCAY.
SPAIN.
DNC 08.
1. HAZARDOUS OPERATIONS:
A. 310600Z TO 311400Z MAY IN AREA BETWEEN
44-06N 43-58N AND 006-52W 006-41W.
B. 300800Z TO 301500Z MAY IN AREA WITHIN
TWO MILES OF 43-45N 005-13W.
2. CANCEL THIS MSG 311500Z MAY 18.
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.
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · military exercises
84 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.
- Hazardous operations 301100 to 301400 and 301900Z to 302200Z apr in area bound by 44-35.00N 001-32.00W,…2024-04-26
- Hazardous operations 041500Z to 041800Z and 042030Z to 042300Z apr in area bound by 44-31.00N 001-34.00W,…2024-04-02
- Gunnery exercises 160800Z to 161100Z mar in area bound by 46-07.70N 005-00.00W, 46-20.00N 004-53.80W,…2024-03-16
- Hazardous operations 220800Z to 221700Z feb in area within 40 miles of 46-00.00N 006-40.00W2024-02-22
- Torpedo operations 091000Z to 091700Z jan in area within 40 miles of 45-20.00N 004-40.00W2024-01-05
- Hazardous operations 200800Z to 201600Z dec in area within 40 miles of 46-00.00N 006-00.00W2023-12-18
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
9 military exercises listed in force · see all
Record snapshot 2026-10-03 00:46Z; source collection times vary.
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
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.