Surveys

A survey vessel in Makassar Strait, Indonesia, is towing twelve 10,050-meter cables until further notice; wide berth requested.

Makassar Strait · Indonesia · HYDROPAC 241/26

issued: 2026-01-27 10:37Z
status: in force
position: -0.730, 118.079
source: nga_inforce · first seen 2026-08-17 13:41Z

Original warning text

MAKASSAR STRAIT.
INDONESIA.
DNC 04, DNC 11.
SURVEY OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE BY M/V RAMFORM SOVEREIGN
TOWING 12 10050 METER LONG CABLES
IN AREA BOUND BY
00-10.30S 117-49.00E, 00-10.30S 117-50.20E,
00-52.50S 117-50.20E, 01-30.60S 117-26.90E,
01-33.70S 117-31.80E, 01-44.20S 117-25.40E,
01-50.30S 117-36.30E, 01-55.30S 117-45.70E,
01-23.40S 118-03.70E, 01-20.80S 117-59.40E,
01-16.50S 118-00.70E, 01-16.50S 118-08.60E,
01-33.60S 118-08.60E, 01-33.60S 118-33.50E,
00-47.90S 118-33.70E, 00-48.00S 118-27.70E,
00-14.00N 118-28.00E, 00-14.00N 118-10.10E,
00-31.90N 118-10.10E, 00-32.00N 117-47.80E.
WIDE BERTH REQUESTED.

Conditions at the position · now

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Open-Meteo Marine / Open-Meteo · GEBCO 2020 · model data at the centroid, not an observation

This area · survey operations

1 within 180 nm since 2026 · 1 in the last 12 months · 1 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Seismic survey works by S/V ramform sovereign towing twelve cables, each 10050 metre longCable ops · 0 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.