Surveys
Underwater operations 03 thru 07 and 10 thru 17 apr by M/V yokosuka with submersible in areas: a. bound by…
Western North Pacific · Japan · Nampo Shoto · HYDROPAC 900/12
- issued
- 2012-03-29 13:13Z
- status
- cancelled 2012-04-18 00:01Z (archive)
- authority
- NAVAREA XI 196/12 291207Z MAR 12.
- sea
- Philippine Sea
- position
- 34.464, 138.524
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC.
JAPAN.
NAMPO SHOTO.
1. UNDERWATER OPERATIONS 03 THRU 07 AND 10 THRU 17 APR
BY M/V YOKOSUKA WITH SUBMERSIBLE IN AREAS:
A. BOUND BY
35-05N 138-30E, 35-05N 138-50E,
34-00N 138-50E, 34-00N 138-00E.
B. BETWEEN 34-50N 35-05N AND 139-11E 139-30E.
C. BETWEEN 31-00N 33-40N AND 140-30E 143-00E.
D. BETWEEN 28-00N 30-00N AND 142-00E 143-30E.
2. CANCEL THIS MSG 18 APR.
This area · survey operations
15 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
01
05
10
15
20
- Underwater operations 05 thru 11 mar by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 34-54N…2020-03-04
- Underwater operations in progress until 03 mar by M/V shinkai 6500 in area bounded by: a. 34-00N 138-00E…2019-02-27
- Underwater operations 23 thru 28 mar by M/V yokosuka with submersible in areas: a. bound by 34-00.0N…2018-03-18
- Underwater operations in progress until 19 apr by M/V yokosuka with submersible: a. in area bound by 34-00N…2017-04-05
- Underwater operations 20 thru 24 jul by M/V yokosuka with submersible: a. in area bound by 34-55.0N…2016-07-19
- Survey operations 07 and 08 jun by M/V geo resolution in area bound by 33-50N 140-51E, 31-50N 140-52E,…2016-06-07
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
86 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.