Surveys

Survey operations 11 thru 30 may by M/V pgs apollo towing ten 8100 meter long cables in area bound by…

South China Sea · Taiwan Strait · Taiwan-southwest Coast · HYDROPAC 1639/17

issued: 2017-05-09 11:37Z
status: cancelled 2017-05-31 00:01Z (archive)
cancels: HYDROPAC 1492/17
authority: NAVAREA XI 314/17 091133Z MAY 17.
position: 22.234, 119.861
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
TAIWAN STRAIT.
TAIWAN-SOUTHWEST COAST.
DNC 23.
1. SURVEY OPERATIONS 11 THRU 30 MAY
   BY M/V PGS APOLLO TOWING TEN 8100 METER
   LONG CABLES IN AREA BOUND BY
   22-06.2N 119-26.3E, 22-07.1N 120-18.4E,
   22-15.6N 120-18.2E, 22-21.6N 120-15.2E,
   22-21.6N 119-26.1E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROPAC 1492/17.
3. CANCEL THIS MSG 31 MAY 17.

This area · survey operations

31 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations 29 apr thru 15 may by M/V pgs apollo towing ten 8100 meter long cables in area between…cancels · 2017-04-28
Survey operations 29 apr thru 15 may by M/V pgs apollo towing ten 8100 meter long cables in area between…replaced · 2017-04-28

Nearby now · within 120 nm

Cable operations in progress until further notice by cableship ile de re in vicinity of trackline joining…Cable ops · 117.2 nm
Submarine cable laying works by c/s ile de re until further noticeCable ops · 117.2 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.