Master's MateSafety Initiative Network

The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.

Cargo

THERESIA

MMSI 244184354 · Call sign PH4392

Not yet on Master's Mate

Type

Cargo

Flag

NLD

Length

67 m

Beam

10 m

Call sign

PH4392

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

THERESIA is a Dutch cargo vessel — 67 metres overall. She's built with a 10-metre beam. On AIS she appears as MMSI 244184354, call sign PH4392. Add THERESIA to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card · for commercial operators

Eyes on THERESIA, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

Put her on the dashboard — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Live AIS position · Jun 9, 2026 16:43 UTC

Track THERESIA live — sign up free →

Position

51.8438° N, 4.6585° E

Status

Moored

Speed

0.0 kn

Course

360°

Destination

ZWIJNDRECHT

Transiting the North Sea? You're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put THERESIA on the map. It hands you the full bridge:

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim THERESIA and switch it all on

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About THERESIA

What kind of vessel is THERESIA?

THERESIA is a Cargo flagged to Netherlands.

Where was THERESIA last seen?

THERESIA was last reported in the North Sea in Jun 2026 on public AIS.

What is THERESIA's MMSI?

THERESIA's MMSI is 244184354. Call sign PH4392.

How big is THERESIA?

THERESIA is about 67 m long, 10 m on the beam.

Is THERESIA on the Master's Mate Safety Initiative Network?

Not yet. If THERESIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).