Surveys

Underwater operations 13 dec thru 17 jan by M/V hakurei maru no

HYDROPAC 2143/03

issued
2003-12-08 10:10Z
status
cancelled 2004-01-18 00:00Z (archive)
authority
NAVAREA XI 623/03 080805Z DEC 03
sea
Philippine Sea
position
25.831, 137.333
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 13 DEC THRU 17 JAN BY
   M/V HAKUREI MARU NO. 2 IN AREA BOUND BY
   32-00N 140-00E, 20-00N 143-00E,
   20-00N 135-00E, 25-00N 132-30E,
   30-00N 132-30E, 32-00N 134-00E.
2. CANCEL THIS MSG 18 JAN 04.

This area · survey operations

17 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

01
05
10
15
20
23

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.