Other
Hydrographic operations 091800Z to 110500Z apr in areas bound by: a. 29-13N 150-50W, 29-43N 150-20W, 35-22N…
NAVAREA XII 104/99
- issued
- 1999-04-05 08:35Z
- status
- cancelled 1999-04-11 00:00Z (archive)
- self-cancels
- 1999-04-11 06:00Z
- position
- 29.904, -149.323
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGRAPHIC OPERATIONS 091800Z TO 110500Z APR
IN AREAS BOUND BY:
A. 29-13N 150-50W, 29-43N 150-20W, 35-22N 144-45W,
35-55N 145-40W, 25-30N 155-25W, 24-58N 154-20W.
B. 24-25N 153-39W, 28-50N 150-08W, 29-18N 149-40W,
34-45N 144-10W, 34-10N 143-25W, 24-00N 152-55W.
2. CANCEL THIS MSG 110600Z APR.This area · other warnings
6 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
12
- Unexploded ordnance adrift in 31-41N 148-06W at 182020Z aug2012-08-19
- Green flare sighted in 29-48.3N 150-33.6W at 050747Z mar2012-03-05
- Underwater ordnance detonations 062301Z to 121159Z sep in areas bound by: a. 29-32N 150-52W, 33-02N 146-30W,…2010-09-05
- Underwater ordnance detonations 300001Z sep to 020001Z oct in areas bound by: a. 25-00N 154-20W, 25-00N…1999-09-29
- Hydrographic operations 082100Z to 110430Z jun in areas bound by: a. 25-55N 154-50W, 25-16N 154-00W, 29-12N…1999-06-03
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
68 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.