Other
Underwater ordnance detonations 170100Z to 170500Z may vicinity 12-37N 101-01E
HYDROPAC 403/99
- issued
- 1999-05-12 08:30Z
- status
- cancelled 1999-05-17 00:00Z (archive)
- self-cancels
- 1999-05-17 06:00Z
- cancels
- HYDROPAC 402/99
- sea
- Gulf of Thailand
- position
- 12.617, 101.017
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER ORDNANCE DETONATIONS 170100Z TO 170500Z MAY VICINITY 12-37N 101-01E. 2. CANCEL HYDROPAC 402/99(74), AID RESTORED. 3. CANCEL THIS MSG 170600Z MAY.
Activity windows · 1 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 1999-05-17 01:00Z | 1999-05-17 05:00Z | May 17, 01:00 → May 17, 05:00 | 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
11 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
08
- Underwater ordnance detonations 0100Z to 1300Z daily 12 thru 16 may in area bound by 12-35.00N 100-49.00E,…2008-05-07
- Underwater ordnance detonations 0100Z to 0900Z daily 10 thru 15 may in area bound by 12-36.77N 100-48.25E,…2007-05-04
- Underwater ordnance detonations 050100Z to 051000Z may within 200 yards of an area bound by 12-33.9969N…2005-05-04
- Underwater ordnance detonations 220100Z to 221000Z may in area bound by 12-34.70N 100-53.33E, 12-34.32N…2004-05-17
- Underwater ordnance detonations 130001Z to 131200Z jun within two miles of 12-36N 100-51E2002-06-09
- Underwater ordnance detonations 222300Z to 231100Z may vicinity 12-10N 101-09E2002-05-17
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
Timeline
- Crowdy head light 31-50.7S 152-45.3E unlitreplaced · 1999-05-11
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.