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
SUPERFAST IV
MMSI 239806000 · Call sign SYOA
Not yet on Master's MateType
Passenger
Flag
GRCLength
204 m
Beam
26 m
Draft
6.5 m
Call sign
SYOA
IMO
9216030
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
63
SUPERFAST IV, a ferry vessel flagged in Greece, measures 204 metres on deck. Below, she has a 26-metre beam and a draft of 6.5 m. On the registers she's MMSI 239806000, call sign SYOA, IMO 9216030. Join SUPERFAST IV to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Keep every soul aboard SUPERFAST IV safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Last known position · Jun 4, 2026
Position
40.6004° N, 18.3888° E
Sailing the Adriatic Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SUPERFAST IV 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 SUPERFAST IV and switch it all on
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About SUPERFAST IV
What kind of vessel is SUPERFAST IV?
SUPERFAST IV is a Passenger flagged to Greece.
Where was SUPERFAST IV last seen?
SUPERFAST IV was last reported in the Adriatic Sea in Jun 2026 on public AIS.
What is SUPERFAST IV's MMSI?
SUPERFAST IV's MMSI is 239806000. Call sign SYOA. IMO 9216030.
How big is SUPERFAST IV?
SUPERFAST IV is about 204 m long, 26 m on the beam, drawing 6.5 m.
Is SUPERFAST IV on the Master's Mate Safety Initiative Network?
Not yet. If SUPERFAST IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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