Hazardous operations 2000Z to 0029Z commencing daily 25 sep thru 25 oct in areas: a. within 12 miles of…
North Atlantic Ocean · HYDROLANT 2501/01
What this record establishes
Archived notice · 2001-09-26 02:21Z
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) · COMAR GUYANE CAYENNE 15/01 141237Z SEP 01. Issued 2001-09-20 06:40Z. 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 3.681, -35.402. 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
- Cancel HYDROLANT 2501/01 and this msg, operations completedlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 31 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2001-09-25 20:00Z | 2001-09-26 00:29Z | — | 4 h 29 |
| 2001-09-26 20:00Z | 2001-09-27 00:29Z | — | 4 h 29 |
| 2001-09-27 20:00Z | 2001-09-28 00:29Z | — | 4 h 29 |
| 2001-09-28 20:00Z | 2001-09-29 00:29Z | — | 4 h 29 |
| 2001-09-29 20:00Z | 2001-09-30 00:29Z | — | 4 h 29 |
| 2001-09-30 20:00Z | 2001-10-01 00:29Z | — | 4 h 29 |
| 2001-10-01 20:00Z | 2001-10-02 00:29Z | — | 4 h 29 |
| 2001-10-02 20:00Z | 2001-10-03 00:29Z | — | 4 h 29 |
| … 23 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2001-09-20 06:40Z
- status
- Archived notice
- self-cancels
- 2001-10-26 01:29Z
- authority
- COMAR GUYANE CAYENNE 15/01 141237Z SEP 01
- issued by
- COMAR GUYANE
- sea
- North Atlantic Ocean
- position
- 3.681, -35.402
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 2000Z TO 0029Z COMMENCING DAILY
25 SEP THRU 25 OCT IN AREAS:
A. WITHIN 12 MILES OF COASTLINE BETWEEN
05-19N 052-47W AND 05-04N 052-30W.
B. BOUND BY 05-18N 046-16W, 04-58N 046-17W,
05-02N 048-00W, 05-22N 047-59W.
C. BOUND BY 04-48N 042-12W, 04-31N 042-14W,
04-43N 044-36W, 05-00N 044-35W.
D. BOUND BY 02-40N 026-05W, 02-17N 026-08W,
02-51N 030-32W, 03-14N 030-30W.
2. CANCEL THIS MSG 260129Z OCT.
Reading this warning
- 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.
- 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.
- 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.
Collected reports in this area · military exercises
38 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 2000Z to 0900Z commencing daily 11 feb thru 12 mar in areas: a. within 12 miles of…2003-02-07
- Hazardous operations 2000Z to 0159Z commencing daily 17 dec thru 16 jan in areas: a. within 12 miles of…2002-12-12
- Hazardous operations 2000Z to 0159Z commencing daily 17 dec thru 16 jan in areas: a. within 12 miles of…2002-12-12
- Hazardous operations 2000Z to 0211Z commencing daily 27 nov thru 28 dec in areas: a. within 12 miles of…2002-12-06
- Hazardous operations 2000Z to 0211Z commencing daily 27 nov thru 28 dec in areas: a. within 12 miles of…2002-11-25
- Hazardous operations 2000Z to 0844Z commencing daily 05 sep thru 05 oct in areas: a. within 12 miles of…2002-09-02
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 17:57Z; 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.