Surveys
Underwater operations 03 thru 05 apr by M/V yokosuka with submersible within five miles of 19-42N 127-00E
Western North Pacific · HYDROPAC 631/10
- issued
- 2010-03-29 08:09Z
- status
- cancelled 2010-04-06 00:01Z (archive)
- authority
- NAVAREA XI 197/10 290741Z MAR 10.
- sea
- Philippine Sea
- position
- 19.700, 127.000 · r 5.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. 1. UNDERWATER OPERATIONS 03 THRU 05 APR BY M/V YOKOSUKA WITH SUBMERSIBLE WITHIN FIVE MILES OF 19-42N 127-00E. 2. CANCEL THIS MSG 06 APR.
This area · survey operations
1 within 180 nm since 2010 · 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
83 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.