Exercises
Hazardous operations
Western North Atlantic · NAVAREA IV 492/10
- issued
- 2010-12-06 20:07Z
- status
- cancelled 2010-12-10 19:14Z (archive)
- self-cancels
- 2010-12-10 19:14Z
- cancels
- NAVAREA IV 485/10
- authority
- EASTERN RANGE OP X0231 061918Z DEC 10.
- sea
- North Atlantic Ocean
- position
- 31.462, -71.124
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 081403Z TO 081814Z DEC, ALTERNATE
091403Z TO 091814Z AND 101403Z TO 101814Z DEC
IN AREAS BOUND BY:
A. 28-40N 080-39W, 28-41N 080-35W,
28-50N 080-05W, 29-04N 079-29W,
29-24N 078-33W, 29-44N 077-33W,
29-58N 076-51W, 30-19N 075-45W,
30-31N 074-48W, 30-28N 074-47W,
30-24N 074-54W, 30-06N 075-40W,
29-47N 076-38W, 29-28N 077-35W,
29-08N 078-33W, 28-43N 079-44W,
28-30N 080-22W, 28-27N 080-29W,
28-28N 080-32W.
B. 31-56N 070-36W, 32-06N 069-59W,
32-03N 069-23W, 31-53N 069-20W,
31-35N 069-49W, 31-26N 070-27W,
31-29N 071-02W, 31-38N 071-04W.
C. 32-05N 071-25W, 33-05N 067-17W,
31-58N 067-01W, 30-57N 071-09W.
2. CANCEL NAVAREA IV 485/10.
3. CANCEL THIS MSG 101914Z DEC.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-12-08 14:03Z | 2010-12-08 18:14Z | — | 4 h 11 |
| 2010-12-09 14:03Z | 2010-12-09 18:14Z | — | 4 h 11 |
| 2010-12-10 14:03Z | 2010-12-10 18:14Z | — | 4 h 11 |
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
6 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
01
05
10
- Hazardous operations2010-12-02
- Hazardous operations 050800Z to 062359Z oct within 100 miles of 34-00N 071-00W2008-09-30
- Hazardous operations 150600Z to 170100Z aug within 100 miles of 31-20N 074-30W2008-08-13
- Hazardous operations 1200Z to 2000Z daily 06 and 07 sep within 90 miles of 32-00N 074-00W2004-09-01
- Hazardous operations: a. 161200Z to 162100Z sep within 90 miles of 33-00N 072-00W2001-09-14
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
- Hazardous operationscancels · 2010-12-02
- Hazardous operationsreplaced · 2010-12-02
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.