Hazardous operations 0700Z to 1630Z daily 25 thru 26 sep and 28 sep thru 03 oct in areas within: a. 27 miles…
North Atlantic Ocean · HYDROLANT 1874/26
What this record establishes
Cancelled notice · 2026-09-23 14:45Z
This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.
- Source and dates
- NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-09-21 22:29Z. First collected 2026-09-23 15:02Z; last seen in collection 2026-09-23 18:47Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- North Atlantic Ocean. The parsed report position is 57.592, -8.661. 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 · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2026-09-25 07:00Z | 2026-09-25 16:30Z | — | 9 h 30 |
| 2026-09-26 07:00Z | 2026-09-26 16:30Z | — | 9 h 30 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2026-09-21 22:29Z
- status
- Cancelled notice
- self-cancels
- 2026-10-03 17:30Z
- sea
- North Atlantic Ocean
- position
- 57.592, -8.661
- source
- NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-23 15:02Z
Original warning text
NORTH ATLANTIC. SCOTLAND. 1. HAZARDOUS OPERATIONS 0700Z TO 1630Z DAILY 25 THRU 26 SEP AND 28 SEP THRU 03 OCT IN AREAS WITHIN: A. 27 MILES OF 57-27.50N 008-20.50W. B. 20 MILES OF 57-43.50N 008-58.80W. 2. CANCEL THIS MSG 031730Z OCT 26.
Collected reports in this area · military exercises
346 within 180 nm since 2001 · 8 in the last 12 months · 1 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 180600Z to 181700Z sep in areas within: a. 27 miles of 57-27.50N 008-20.50W2026-09-16
- Hazardous operations 160600Z to 161700Z sep in areas within: a. 27 miles of 57-27.50N 008-20.50W2026-09-14
- Hazardous operations 0900Z to 2330Z daily 17 thru 21 sep in area within 140 miles of 58-14.00N 013-21.00W2026-09-12
- Hazardous operations 0800Z to 1800Z daily 04 thru 05 and 07 thru 12 sep in areas within: a. 27 miles of…2026-09-01
- Hazardous operations 0800Z to 1830Z daily 24 thru 28 aug and 31 aug thru 04 sep in areas within: a. 27 miles…2026-08-19
- Hazardous operations 0700Z to 1700Z daily 18 thru 21 aug in area within 17 miles of 57-24.90N 007-59.70W2026-08-17
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
Worldwide in the collected sources
18 military exercises listed in force · see all
Record snapshot 2026-09-23 18:51Z; 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.