Surveys

Survey operations in progress until further notice by M/V pgs apollo towing ten 8100 meter long cables in…

South China Sea · Taiwan-southwest Coast · HYDROPAC 2050/17

issued
2017-06-12 08:07Z
status
cancelled 2017-06-14 14:01Z (archive)
cancels
HYDROPAC 1991/17
authority
NAVAREA XI 391/17 120758Z JUN 17.
position
21.810, 119.961
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
TAIWAN-SOUTHWEST COAST.
DNC 23.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V PGS APOLLO TOWING TEN 8100
   METER LONG CABLES IN AREA BOUND BY
   21-56.0N 120-18.6E, 21-42.0N 120-19.0E,
   21-41.2N 119-36.8E, 21-55.3N 119-36.4E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROPAC 1991/17.

This area · survey operations

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

17
19

Season · when survey operations happen here

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

Timeline

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.