Surveys

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

South China Sea · Taiwan · HYDROPAC 3141/17

issued
2017-09-13 20:49Z
status
cancelled 2017-09-16 23:41Z (archive)
authority
NAVAREA XI 592/17 132014Z SEP 17.
position
21.082, 118.612
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
TAIWAN.
DNC 23.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY
M/V PGS APOLLO TOWING TEN FIVE MILE LONG CABLES IN
AREA BOUND BY
22-06.4N 119-34.5E 21-47.5N 119-50.6E,
20-03.0N 117-37.6E 20-21.2N 117-22.3E.
WIDE BERTH REQUESTED.

This area · survey operations

33 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

12
15
19

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

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.