Exercises
Hazardous operations 0900Z to 0930Z and 1300Z to 1330Z daily 16 thru 19 april and 200900Z to 200930Z apr in…
HYDROLANT 621/07
- issued
- 2007-04-15 09:41Z
- status
- cancelled 2007-04-20 10:30Z (archive)
- self-cancels
- 2007-04-20 10:30Z
- authority
- WZ 504/07 150831Z APR 07.
- sea
- North Sea
- position
- 52.471, 2.143
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0900Z TO 0930Z AND 1300Z TO 1330Z DAILY 16 THRU 19 APRIL AND 200900Z TO 200930Z APR IN AREA BOUND BY 52-36N 002-20E, 52-26N 002-25E, 52-20N 001-55E, 52-32N 001-55E. 2. CANCEL THIS MSG 201030Z APR.
Activity windows · 9 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2007-04-16 09:00Z | 2007-04-16 09:30Z | — | 30 min |
| 2007-04-16 13:00Z | 2007-04-16 13:30Z | — | 30 min |
| 2007-04-17 09:00Z | 2007-04-17 09:30Z | — | 30 min |
| 2007-04-17 13:00Z | 2007-04-17 13:30Z | — | 30 min |
| 2007-04-18 09:00Z | 2007-04-18 09:30Z | — | 30 min |
| 2007-04-18 13:00Z | 2007-04-18 13:30Z | — | 30 min |
| 2007-04-19 09:00Z | 2007-04-19 09:30Z | — | 30 min |
| 2007-04-19 13:00Z | 2007-04-19 13:30Z | — | 30 min |
| … 1 more | |||
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
11 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
05
10
15
20
21
- Hazardous operations in progress until 141800Z jul in area within ten miles of 54-07.2N 000-23.9E2021-07-14
- Hazardous operations 141200Z to 141600Z jul in area within ten miles of 54-07.2N 000-23.9E2021-07-14
- Hazardous operations in progress until further notice in area within 500 meters of 53-18.3N 001-23.2E2021-04-14
- Hazardous operations2014-04-09
- Hazardous operations2011-11-27
- Hazardous operations 0900Z to 1100Z and 1400Z to 1600Z daily 01 thru 05 oct within four miles of trackline…2007-10-01
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.