Surveys

Hydrographic survey 132300Z to 160700Z oct in area bound by 42-23-22N 131-31-20E, 42-37-37N 131-25-35E,…

HYDROPAC 1766/03

issued
2003-10-10 21:30Z
status
cancelled 2003-10-16 08:00Z (archive)
self-cancels
2003-10-16 08:00Z
authority
VLADIVOSTOK 210/03 09 OCT 03
sea
Japan Sea
position
42.778, 131.723
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY 132300Z TO 160700Z OCT
   IN AREA BOUND BY
   42-23-22N 131-31-20E, 42-37-37N 131-25-35E,
   42-56-44N 131-55-56E, 43-01-51N 131-55-56E,
   43-01-51N 132-01-56E, 42-55-45N 132-01-56E,
   42-37-37N 131-31-35E, 42-24-36N 131-37-03E.
2. CANCEL THIS MSG 160800Z OCT.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2003-10-13 23:00Z2003-10-16 07:00Z56 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

14 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now

03
05
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22

Season · when survey operations happen here

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M
J
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month of issue, all years in the archive

Nearby now · 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.