Other
Hydrographic operations 201400Z to 241800Z jun in area bound by 29-00N 145-00W, 28-00N 150-30W, 18-30N…
NAVAREA XII 207/99
- issued
- 1999-06-18 09:55Z
- status
- cancelled 1999-06-24 19:00Z (archive)
- self-cancels
- 1999-06-24 19:00Z
- authority
- CTG TWELVE PT ZERO 171759Z JUN 99
- sea
- North Pacific Ocean
- position
- 23.784, -145.859
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HYDROGRAPHIC OPERATIONS 201400Z TO 241800Z JUN IN AREA BOUND BY 29-00N 145-00W, 28-00N 150-30W, 18-30N 147-00W, 20-00N 141-00W. 2. CANCEL THIS MSG 241900Z JUN.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-06-20 14:00Z | 1999-06-24 18:00Z | — | 100 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
4 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
- Pyrotechnics exercises 250300Z to 250600Z sep vicinity 26-11N 145-11W2000-09-20
- Underwater ordnance detonations 061001Z to 080030Z oct in areas bound by: a. 25-56N 154-27W, 25-00N 154-05W,…1999-10-04
- Hydrographic operations 271001Z to 291600Z apr in areas bound by: a. 25-00N 154-10W, 26-33N 150-08W, 28-18N…1999-04-22
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.