Surveys

Survey operations in progress until 15 dec by vessel towing 5000 meter long cable in area bound by 22-33-24N…

South China Sea · Taiwan Strait · Taiwan · HYDROPAC 3780/17

issued
2017-11-03 16:32Z
status
cancelled 2017-12-16 00:01Z (archive)
authority
NAVAREA XI 706/17 031631Z NOV 17.
position
22.165, 119.889
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
TAIWAN STRAIT.
TAIWAN.
DNC 23.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 15 DEC
   BY VESSEL TOWING 5000 METER LONG CABLE
   IN AREA BOUND BY
   22-33-24N 119-26-41E, 22-34-24N 120-11-13E,
   22-30-00N 120-16-21E, 21-44-18N 120-17-18E,
   21-43-07N 119-36-54E, 22-02-03N 119-36-35E,
   22-02-10N 119-27-08E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 16 DEC 17.

This area · survey operations

30 within 180 nm since 2017 · 0 in the last 12 months · 0 in force now

17
19

Season · when survey operations happen here

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M
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J
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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

75 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.