Surveys

Survey operations in progress until further notice by M/V ramform sovereign towing 14 9500 meter long cables…

South China Sea · HYDROPAC 2907/21

issued
2021-10-12 12:01Z
status
cancelled 2021-10-28 11:53Z (archive)
authority
NAVAREA XI 323/21 121037Z OCT 21.
position
4.695, 110.617
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH CHINA SEA.
DNC 11.
SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY M/V RAMFORM SOVEREIGN
TOWING 14 9500 METER LONG CABLES
IN AREA BOUND BY
04-52.5N 110-01.7E 04-52.2N 111-13.3E
04-31.0N 111-12.0E 04-31.0N 110-01.5E.
SIX MILE BERTH REQUESTED.

This area · survey operations

12 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

06
10
15
20
23

Season · when survey operations happen here

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F
M
A
M
J
J
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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

73 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.