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Know what every vessel is doing, right now.

Fuel meters, engine monitors and GPS stream to your screen over satellite, anywhere in Indonesian waters.

Book a demoHow it works

The crew logbook said Written in the logbook:8,970 L. The meters measured Measured:8,460 L.

Same voyage, two records. Only one was measured.

510 L difference

See how it is measuredIllustrative voyage.

Catch engine trouble before it needs a tow.

Both Main Engines report RPM, coolant temperature, oil pressure and running hours every minute. Alarms show on your dashboard, on desktop or phone, while the vessel is still at sea.

Main Engine 1 Port

Normal

1,240RPM

Coolant
78 °C
Oil pressure
52 psi
Running hours
12,480 h

Main Engine 2 Starboard

Warning

1,262RPM

Coolant
80 °C
Oil pressure
40 psi
Running hours
12,455 h

Starboard Engine Warning

Low oil pressure sensor

Warning03:10

Know if a slow day was the weather.

Waves and currents are matched to every position the vessel reports. When a trip runs slow, you can see why.

NESW
Waves
1.8 mWaves against the vessel
Current
0.6 knAgainst the vessel
Speed
6.9 knAverage speed 8.2 kn

A report for every trip, port to port.

Each trip is saved from departure to arrival: route, distance, time at sea, fuel used and fuel per nautical mile, ready to open any time.

VOY-2026-044 · TB SAMUDRA 03

Departed

Samarinda

Day 1, 06:00

Ongoingto Surabaya

So far

Distance
327nm
Duration
1d16h
Fuel used
5,640L
Fuel per nm
17.2L

From the engine room to your screen.

We install and wire everything. Your crew changes nothing about how they work.

Fig 1Fuel loop and the Fleetflow Systems unit
Choose an engine speed

In 60Returned 22Burned 38 L/h

Burned is always In minus Returned, at any engine speed. Here a message leaves every 6 seconds; aboard, every 5 minutes.
  1. 1

    Two fuel flowmeters

    On the supply and return lines in the engine room.

  2. 2

    A monitor on each Main Engine

    Wired to the engine's own sensors: RPM, coolant, oil pressure, running hours and alarms.

  3. 3

    The Fleetflow Systems unit

    Reads every sensor once a minute and takes position from the ship's own GPS.

  4. 4

    Satellite antenna

    Sends the unit's messages from anywhere at sea, far from cell coverage.

Your whole fleet, on one screen.

Illustrative fleet
VesselStatusLocationSpeedFuel burnLast data
TB NUSA PERKASA 7AlertAlertPort Engine WarningOff Balikpapan9.1 kn156 L/h2m ago
TB SINAR LAUT 2SailingSailing1 sensor offlineKarimata Strait7.5 knNo data4m ago
TB MITRA BAHARISailingSailingJava Sea7.9 kn131 L/h1m ago
TB SAMUDRA 03IdleIdleSurabaya0.0 kn0 L/h12m ago

See your own fleet on the map.

We install the meters and the unit, then set up your dashboard. A demo takes 20 minutes.

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Or write to hello@fleetflowsystems.io