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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.
Other

OTSO

MMSI 230252000 · Call sign OIRT

Not yet on Master's Mate
Type
Other
Flag
FINFIN
Length
103 m
Beam
24 m
Draft
7.8 m
Call sign
OIRT
IMO
8405880
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86

OTSO is a Finnish 103-metre boat. She carries a 24-metre beam and a 7.8 m draft. Her papers read MMSI 230252000, call sign OIRT, IMO 8405880. Claim OTSO free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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Live AIS position · Jun 9, 2026 12:20 UTC
Position
60.1701° N, 24.9744° E
Status
Under way (engine)
Speed
0.0 kn
Course
187°
Destination
HELSINKI
ETA
05-06 05:00 UTC
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Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
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About OTSO

What kind of vessel is OTSO?
OTSO is a Other flagged to Finland.
Where was OTSO last seen?
OTSO was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is OTSO's MMSI?
OTSO's MMSI is 230252000. Call sign OIRT. IMO 8405880.
How big is OTSO?
OTSO is about 103 m long, 24 m on the beam, drawing 7.8 m.
Is OTSO on the Master's Mate Safety Initiative Network?
Not yet. If OTSO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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