Surveys

Survey operations in progress until 26 oct by M/V pgs apollo towing ten five mile long cables in area bound…

South China Sea · Taiwan Strait · Taiwan-southwest Coast · HYDROPAC 3190/17

issued: 2017-09-16 23:41Z
status: cancelled 2017-10-01 11:39Z (archive)
cancels: HYDROPAC 3141/17
authority: NAVAREA XI 606/17 162332Z SEP 17.
position: 22.437, 119.794
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 IN PROGRESS UNTIL 26 OCT BY
   M/V PGS APOLLO TOWING TEN FIVE MILE LONG CABLES
   IN AREA BOUND BY
   22-40.5N 119-22.0E, 22-40.5N 120-07.3E,
   22-15.4N 120-18.0E, 22-13.0N 120-18.0E,
   22-13.0N 119-22.0E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROPAC 3141/17(91,93,94).
3. CANCEL THIS MSG 27 OCT 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 in progress until further notice by M/V pgs apollo towing ten five mile long cables in…cancels · 2017-09-13
Survey operations in progress until further notice by M/V pgs apollo towing ten five mile long cables in…replaced · 2017-09-13
Cancel HYDROPAC 3190/17 and this msg, operations completedcancelled by · 2017-10-01

Nearby now · within 120 nm

Cable operations in progress until further notice by cableship ile de re in vicinity of trackline joining…Cable ops · 104.7 nm
Submarine cable laying works by c/s ile de re until further noticeCable ops · 104.7 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.