Surveys

Survey operations in progress until 11 may by M/V pgs apollo towing ten 8100 meter long cables in area…

South China Sea · Taiwan-southwest Coast · HYDROPAC 1325/17

issued: 2017-04-15 08:33Z
status: cancelled 2017-04-28 13:32Z (archive)
authority: NAVAREA XI 246/17 150830Z APR 17.
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
   11 MAY BY M/V PGS APOLLO
   TOWING TEN 8100 METER LONG CABLES
   IN AREA BETWEEN
   21-39.2N 22-03.2N AND 119-31.0E 120-21.1E.
2. CANCEL THIS MSG 12 MAY 17.

Timeline

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

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.