Surveys

0.2 mile berth requested

Arctic · East Siberian Sea · HYDROARC 170/12

issued: 2012-09-13 04:27Z
status: cancelled 2012-09-24 00:01Z (archive)
authority: RUSSIA COASTAL WARNING EAST 72/12 1201600Z SEP 12.
position: 75.590, 153.822
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

ARCTIC.
EAST SIBERIAN SEA.
CHART 41000
1. SCIENTIFIC MOORING ESTABLISHED UNTIL 23 SEP
   IN 75-35.40N 153-49.33E.
   0.2 MILE BERTH REQUESTED.
2. CANCEL THIS MSG 24 SEP 12.

This area · survey operations

4 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

Sub-surface scientific moorings, marked by red floats, established in: a. 72-50.38N 158-14.52E2016-09-28
0.2 mile berth requested2012-09-11
0.2 mile berth requested2012-08-27

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

HYDROARC warnings in force 231000Z sep 12cancelled by · 2012-09-23

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.