Exercises

Hazardous operations occur daily from 0001 to 1100 on 04 through 21 October in the North Atlantic within 71 miles of 32-25.00N 057-21.00W.

North Atlantic Ocean · NAVAREA IV 949/26

What this record establishes

Cancelled notice · 2026-09-30 15:00Z

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 2026-09-30 10:17Z. First collected 2026-09-30 16:02Z; last seen in collection 2026-10-01 01:32Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
North Atlantic Ocean. The parsed report position is 32.417, -57.350 with a 71.0 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 North Atlantic Ocean →

Activity windows · 18 in this warning

opens (UTC)closes (UTC)locallength
2026-10-04 00:01Z2026-10-04 11:00Z—10 h 59
2026-10-05 00:01Z2026-10-05 11:00Z—10 h 59
2026-10-06 00:01Z2026-10-06 11:00Z—10 h 59
2026-10-07 00:01Z2026-10-07 11:00Z—10 h 59
2026-10-08 00:01Z2026-10-08 11:00Z—10 h 59
2026-10-09 00:01Z2026-10-09 11:00Z—10 h 59
2026-10-10 00:01Z2026-10-10 11:00Z—10 h 59
2026-10-11 00:01Z2026-10-11 11:00Z—10 h 59
… 10 more

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2026-09-30 10:17Z
status
Cancelled notice
self-cancels
2026-10-22 01:00Z
NAVAREA
NAVAREA IV
sea
North Atlantic Ocean
position
32.417, -57.350 · r 71.0 nm
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-30 16:02Z

Original warning text

NORTH ATLANTIC.
1. HAZARDOUS OPERATIONS 0001Z TO 1100Z
   DAILY 04 THRU 21 OCT IN AREA WITHIN
   71 MILES OF 32-25.00N 057-21.00W.
2. CANCEL THIS MSG 220100Z OCT 26.

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.

All warning terms →

Collected reports in this area · military exercises

1 within 180 nm since 2026 · 1 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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

28 military exercises listed in force · see all

Record snapshot 2026-10-01 01:46Z; 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.