Surveys

Survey operations in progress until nov 01 by M/V ZEPHIR-1 towing 8500 meter long cable in area bound by…

Sea of Japan · Tatar Strait · HYDROPAC 3356/17

issued
2017-09-30 09:25Z
status
cancelled 2017-11-02 00:01Z (archive)
authority
NAVAREA XIII 93/17 300911Z SEP 17.
position
48.009, 141.119
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF JAPAN.
TATAR STRAIT.
DNC 24.
1. SURVEY OPERATIONS IN PROGRESS UNTIL NOV 01
   BY M/V ZEPHIR-1 TOWING 8500 METER LONG CABLE
   IN AREA BOUND BY
   47-41-19N 139-12-35E, 48-33-37N 140-18-18E,
   49-11-03N 140-42-09E, 50-07-07N 141-37-53E,
   50-07-07N 142-09-30E, 49-39-17N 142-08-05E,
   49-19-36N 142-02-59E, 49-09-23N 141-42-57E,
   48-27-02N 141-42-36E, 47-37-36N 141-57-12E,
   47-17-58N 141-56-49E, 47-14-34N 142-00-39E,
   47-08-48N 142-02-35E, 46-36-09N 141-48-29E,
   46-27-45N 141-49-14E, 46-02-37N 141-54-39E,
   45-42-05N 142-00-30E, 45-42-52N 141-35-07E,
   45-52-42N 141-05-00E, 46-15-09N 141-12-45E,
   47-55-56N 140-54-04E, 47-11-48N 140-08-26E.
   FIVE MILE BERTH REQUESTED
2. CANCEL THIS MSG 02 NOV 17.

This area · survey operations

12 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now

05
10
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20
23

Season · when survey operations happen here

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A
M
J
J
A
S
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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

73 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.