Exercises
Hazardous operations 120431Z to 120635Z dec, alternate 130401Z to 130609Z dec in areas: a. within five miles…
NAVAREA IV 421/99
- issued
- 1999-12-08 18:38Z
- status
- cancelled 1999-12-13 07:09Z (archive)
- self-cancels
- 1999-12-13 07:09Z
- cancels
- NAVAREA IV 415/99
- authority
- CCAFS 45 RANS SCHEDULING CENTER OP #2641, STS 103 081257Z DEC 99
- sea
- North Atlantic Ocean
- position
- 28.581, -78.542
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 120431Z TO 120635Z DEC, ALTERNATE
130401Z TO 130609Z DEC IN AREAS:
A. WITHIN FIVE MILES OF A TRACKLINE BETWEEN
28-38N 080-42W AND 28-38N 080-09W.
B. BOUND BY 28-57N 078-56W, 28-57N 077-41W,
28-12N 077-41W, 28-12N 078-56W.
2. CANCEL NAVAREA IV 415/99.
3. CANCEL THIS MSG 130709Z DEC.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-12-12 04:31Z | 1999-12-12 06:35Z | — | 2 h 04 |
| 1999-12-13 04:01Z | 1999-12-13 06:09Z | — | 2 h 08 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
343 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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23
- Hazardous operations 160400Z to 230400Z oct in areas bound by: a. 30-45.00N 080-30.00W, 30-45.00N…2023-10-15
- Florida 1. hazardous operations 020001Z to 082359Z oct in areas bound by: a. 30-45.00N 080-30.00W, 30-45.00N…2023-10-02
- Hazardous operations 240400Z to 310400Z jul in areas bound by: a. 30-45.00N 080-30.00W, 30-45.00N…2023-07-23
- Florida 1. hazardous operations 220400Z to 290400Z may in areas bound by: a. 30-45.00N 080-30.00W, 30-45.00N…2023-05-21
- Hazardous operations 240400Z apr to 010359Z may in areas bound by: a. 30-45.00N 080-30.00W, 30-45.00N…2023-04-24
- Hazardous operations 311200Z to 312359Z aug in area bound by 28-30.57N 080-33.17W, 28-30.68N 080-32.88W,…2022-08-28
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
35 military exercises in force · see all
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.