Other
Underwater ordnance detonations 301700Z to 302100Z oct and 021700Z to 022100Z nov: a. within five miles of…
HYDROPAC 1147/99
- issued
- 1999-10-29 04:30Z
- status
- cancelled 1999-11-02 22:00Z (archive)
- self-cancels
- 1999-11-02 22:00Z
- authority
- EODMU FIVE DET THREE FIVE 141325Z OCT 99
- sea
- Japan Sea
- position
- 37.167, 130.417 · r 5.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 301700Z TO 302100Z OCT AND 021700Z TO 022100Z NOV: A. WITHIN FIVE MILES OF 37-10N 130-25E. B. IN AREA BETWEEN 36-40N 37-20N AND 131-20E 131-35E. 2. CANCEL THIS MSG 022200Z NOV.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-10-30 17:00Z | 1999-10-30 21:00Z | — | 4 h |
| 1999-11-02 17:00Z | 1999-11-02 21:00Z | — | 4 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 · other warnings
110 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
11
- Underwater ordnance detonations 052200Z to 060830Z mar within one mile of: a. 36-09-11.71N 129-26-42.31E2011-03-05
- Nga chart 95016 (8TH ed)2009-06-07
- Nga chart 95016 (8TH ed)2009-05-26
- Nga chart 95016 (8TH ed)2009-05-23
- Underwater ordnance detonations 0001Z to 2359Z daily 16 thru 20 mar in area bound by 34-58.2N 128-44.5E,…2009-03-14
- Underwater ordnance detonations 0001Z to 0800Z daily 02 thru 06 mar in areas bound by: a. 36-06.70N…2008-02-26
Season · when other warnings 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
34 other warnings in force · see all
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.