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.
Passenger
THEO
Passenger · last seen 52°N 4°E · Jun 2026 · MMSI 244740833 · Call sign PD3664
Not yet on Master's MateType
Passenger
Length
30 m
Beam
6 m
Draft
1.2 m
Call sign
PD3664
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
THEO is a 30-metre excursion vessel. She carries a 6 m beam and a 1.2-metre draft. Find her under MMSI 244740833, call sign PD3664. THEO belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard THEO safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 18:01 UTC
Position
51.5414° N, 3.7309° E
Status
Engaged in fishing
Speed
6.1 kn
Course
233°
Destination
VISGRONDEN
Sailing 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.
Free with your claim · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put THEO on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 THEO and switch it all on
Free to join · nothing to install to start · cancel anytime
About THEO
What kind of vessel is THEO?
THEO is a Passenger.
Where was THEO last seen?
THEO was last reported in the North Sea in Jun 2026 on public AIS.
What is THEO's MMSI?
THEO's MMSI is 244740833. Call sign PD3664.
How big is THEO?
THEO is about 30 m long, 6 m on the beam, drawing 1.2 m.
Is THEO on the Master's Mate Safety Initiative Network?
Not yet. If THEO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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