Exercises
Hazardous operations 0701Z to 1601Z daily 09 thru 11 mar in areas bound by: a. 11-50N 170-38E, 12-04N…
HYDROPAC 173/99
- issued
- 1999-03-04 09:55Z
- status
- cancelled 1999-03-10 00:00Z (archive)
- self-cancels
- 1999-03-11 17:01Z
- sea
- North Pacific Ocean
- position
- 12.108, 171.733
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0701Z TO 1601Z DAILY 09 THRU 11 MAR
IN AREAS BOUND BY:
A. 11-50N 170-38E, 12-04N 170-50E, 12-53N 172-11E,
12-09N 172-38E, 11-21N 171-17E, 11-17N 170-59E.
B. 09-08N 167-06E, 09-23N 167-33E, 09-28N 167-30E,
09-32N 167-34E, 09-48N 167-52E, 10-12N 168-32E,
09-33N 168-57E, 09-08N 168-17E, 08-58N 167-56E,
08-54N 167-46E, 08-53N 167-46E, 08-45N 167-22E.
2. CANCEL THIS MSG 111701Z MAR.Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-03-09 07:01Z | 1999-03-09 16:01Z | — | 9 h |
| 1999-03-10 07:01Z | 1999-03-10 16:01Z | — | 9 h |
| 1999-03-11 07:01Z | 1999-03-11 16:01Z | — | 9 h |
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
60 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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05
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15
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23
- Hazardous operations 0613Z to 1431Z daily 06 and 07 sep in area bound by 13-36.00N 174-20.00E, 13-16.00N…2023-09-01
- Hazardous operations 0631Z to 1431Z daily 06 and 07 sep in area bound by 13-17.00N 173-49.00E, 13-36.00N…2023-09-01
- Hazardous operations 190700Z to 191427Z apr, alternate 200700Z to 201427Z apr in areas bound by: a.…2023-04-14
- Hazardous operations 0631Z to 1431Z daily 04 and 08 aug in areas bound by: a. 15-06.00N 177-34.00E,…2022-07-30
- Hazardous operations: a. 0631Z to 1431Z daily 04 thru 08 aug in area bound by 15-24.00N 177-15.00E,…2022-07-30
- Hazardous operations 190830Z to 191430Z oct, alternate 0830Z to 1430Z daily 20 thru 29 oct in area bound by…2021-10-15
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
- Underwater ordnance detonations 150001Z to 150900Z mar within five miles of: a. 19-30N 114-30Ecancelled by · 1999-03-10
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.