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.
High-speed Craft
THAMES TRAINER
MMSI 232019100 · Call sign MEFX4
Not yet on Master's MateType
High-speed Craft
Flag
GBRLength
6 m
Beam
2 m
Draft
1 m
Call sign
MEFX4
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
73
A British ferry, THAMES TRAINER measures 6 metres. THAMES TRAINER has a beam measuring 2 metres and a 1-metre draft. Officially she's MMSI 232019100, call sign MEFX4. THAMES TRAINER carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard THAMES TRAINER 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 9, 2026 11:45 UTC
Position
51.4973° N, 0.0149° E
Status
Under way (engine)
Speed
0.4 kn
Course
287°
Destination
LONDON
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 THAMES TRAINER 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 THAMES TRAINER and switch it all on
Free to join · nothing to install to start · cancel anytime
About THAMES TRAINER
What kind of vessel is THAMES TRAINER?
THAMES TRAINER is a High-speed Craft flagged to United Kingdom.
Where was THAMES TRAINER last seen?
THAMES TRAINER was last reported in the North Sea in Jun 2026 on public AIS.
What is THAMES TRAINER's MMSI?
THAMES TRAINER's MMSI is 232019100. Call sign MEFX4.
How big is THAMES TRAINER?
THAMES TRAINER is about 6 m long, 2 m on the beam, drawing 1 m.
Is THAMES TRAINER on the Master's Mate Safety Initiative Network?
Not yet. If THAMES TRAINER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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