Surveys
Underwater operations 21 nov by M/V yokosuka with submersible along trackline between 13-00N 154-30E and…
Western North Pacific · HYDROPAC 3567/13
- issued
- 2013-11-16 16:19Z
- status
- cancelled 2013-11-22 00:01Z (archive)
- authority
- NAVAREA XI 852/13 161139Z NOV 13.
- sea
- North Pacific Ocean
- position
- 13.500, 153.750
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. 1. UNDERWATER OPERATIONS 21 NOV BY M/V YOKOSUKA WITH SUBMERSIBLE ALONG TRACKLINE BETWEEN 13-00N 154-30E AND 14-00N 153-00E. 2. CANCEL THIS MSG 22 NOV 13.
This area · survey operations
1 within 180 nm since 2013 · 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.