Exercises
Hazardous operations 200001Z to 201800Z nov within 20 miles of 03-40N 001-40W
HYDROLANT 2475/99
- issued
- 1999-11-18 20:20Z
- status
- cancelled 1999-11-20 19:00Z (archive)
- self-cancels
- 1999-11-20 19:00Z
- authority
- NAVAREA II 350/99 181550Z NOV 99
- sea
- Gulf of Guinea
- position
- 3.667, -1.667 · r 20.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 200001Z TO 201800Z NOV WITHIN 20 MILES OF 03-40N 001-40W. 2. CANCEL THIS MSG 201900Z NOV.
Activity windows · 1 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 1999-11-20 00:01Z | 1999-11-20 18:00Z | Nov 20, 00:01 → Nov 20, 18:00 | 17 h 59 |
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
7 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
22
- Hazardous operations 032300Z to 050700Z nov in area within 30 miles of 04-42.90N 003-51.50W2022-10-29
- Gunnery exercises 141000Z to 161600Z oct in area bound by 05-00N 004-05W, 05-00N 003-55W, 04-50N 003-55W,…2020-10-12
- Gunnery exercises 1000Z to 1600Z daily 28 thru 30 sep in area bound by 05-00N 004-05W, 05-00N 003-55W,…2020-09-23
- Hazardous operations 1631Z to 1830Z daily 06 thru 31 mar in area bound by 03-12N 000-54W, 02-56N 002-14E,…2018-03-01
- Hazardous operations2010-09-09
- Hazardous operations 300800Z to 301200Z jan within five miles of 04-06N 003-28W1999-01-27
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
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.