Surveys
Underwater operations 092100Z to 100300Z sep within 40 miles of 22-00N 163-30W
NAVAREA XII 242/03
- issued
- 2003-09-08 11:20Z
- status
- cancelled 2003-09-10 04:00Z (archive)
- self-cancels
- 2003-09-10 04:00Z
- authority
- CTU 30.6.4 040641Z SEP 2003
- sea
- North Pacific Ocean
- position
- 22.000, -163.500 · r 40.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS 092100Z TO 100300Z SEP WITHIN 40 MILES OF 22-00N 163-30W. 2. CANCEL THIS MSG 100400Z SEP.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-09-09 21:00Z | 2003-09-10 03:00Z | — | 6 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 · survey operations
1 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
Season · when survey operations 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
84 survey operations in force · see all
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.