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
ALTERA
MMSI 230168060 · Call sign OJUH
Not yet on Master's MateType
Passenger
Flag
FINLength
104 m
Beam
16 m
Draft
4.9 m
Call sign
OJUH
IMO
9915349
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
On the Finnish registry, ALTERA is a 104-metre passenger boat. She carries a beam measuring 16 metres and a 4.9 m draft. Her registration reads MMSI 230168060, call sign OJUH, IMO 9915349. For a boat that carries people, ALTERA can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard ALTERA 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 03:51 UTC
Position
60.2232° N, 22.0988° E
Status
Under way (engine)
Speed
0.0 kn
Course
220°
Destination
LILLMALO-PROSTVIK
ETA
04-30 12:00 UTC
Sailing the Baltic 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 ALTERA 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 ALTERA and switch it all on
Free to join · nothing to install to start · cancel anytime
About ALTERA
What kind of vessel is ALTERA?
ALTERA is a Passenger flagged to Finland.
Where was ALTERA last seen?
ALTERA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is ALTERA's MMSI?
ALTERA's MMSI is 230168060. Call sign OJUH. IMO 9915349.
How big is ALTERA?
ALTERA is about 104 m long, 16 m on the beam, drawing 4.9 m.
Is ALTERA on the Master's Mate Safety Initiative Network?
Not yet. If ALTERA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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