Exercises
Hazardous operations 041830Z to 041945Z, 051815Z to 051915Z, 061745Z to 061900Z, 071730Z to 071830Z and…
NAVAREA IV 401/99
- issued
- 1999-11-30 18:00Z
- status
- cancelled 1999-12-06 05:05Z (archive)
- self-cancels
- 1999-12-08 19:15Z
- authority
- WALLOPS FLIGHT FACILITY, FAX J.F. BROWN 242008Z NOV 99
- sea
- North Atlantic Ocean
- position
- 15.167, -40.751
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 041830Z TO 041945Z, 051815Z TO 051915Z,
061745Z TO 061900Z, 071730Z TO 071830Z AND 081700Z TO 081815Z DEC
IN AREAS BOUND BY:
A. 35-15N 066-26W, 34-54N 065-00W, 34-02N 064-32W,
33-40N 064-42W, 33-22N 065-20W, 33-46N 066-49W,
34-32N 067-15W, 34-58N 067-05W.
B. 33-05N 061-38W, 32-42N 060-10W, 31-29N 059-32W,
30-52N 059-48W, 30-26N 060-48W, 30-55N 062-26W,
31-46N 062-56W, 32-40N 062-36W.
C. 16-46N 041-21W, 16-08N 039-28W, 14-47N 038-53W,
14-03N 039-10W, 13-35N 040-09W, 14-14N 042-01W,
15-33N 042-38W, 16-18N 042-21W.
2. CANCEL THIS MSG 081915Z DEC.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-12-04 18:30Z | 1999-12-04 19:45Z | — | 1 h 15 |
| 1999-12-05 18:15Z | 1999-12-05 19:15Z | — | 1 h |
| 1999-12-06 17:45Z | 1999-12-06 19:00Z | — | 1 h 15 |
| 1999-12-07 17:30Z | 1999-12-07 18:30Z | — | 1 h |
| 1999-12-08 17:00Z | 1999-12-08 18:15Z | — | 1 h 15 |
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
16 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
21
- Hazardous operations 171230Z thru 200123Z sep in areas bound by: a. 28-56N 079-59W, 29-02N 079-53W, 29-06N…2021-09-15
- Hazardous operations 171230Z thru 200123Z sep in areas bound by: a. 28-56N 079-59W, 29-02N 079-53W, 29-06N…2021-09-15
- Hazardous operations2016-03-13
- Hazardous operations2016-03-12
- Hazardous operations2012-04-14
- Hazardous operations2010-06-06
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
- Cancel NAVAREA IV 401/99 and this msg, operations cancelledcancelled by · 1999-12-06
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.