Surveys

Survey operations in progress until further notice by M/V ramform sovereign towing 12 9000 meter long cables…

South China Sea · HYDROPAC 2716/23

issued
2023-08-23 13:57Z
status
cancelled 2023-12-06 00:23Z (archive)
authority
NAVAREA XI 291/23 231209Z AUG 23.
position
5.030, 110.681
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 12 9000 METER LONG
CABLES IN AREA BOUND BY
05-43.30N 110-06.00E, 05-43.40N 111-02.80E,
04-46.10N 111-02.80E, 04-46.10N 111-40.20E,
04-28.00N 111-40.20E, 04-28.00N 110-06.10E.
WIDE 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

J
F
M
A
M
J
J
A
S
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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.