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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.
Tug
ARVINSILMA
MMSI 230980890 · Call sign OH9784
Not yet on Master's MateType
Tug
Flag
FINLength
11 m
Beam
4 m
Draft
1.5 m
Call sign
OH9784
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
30
ARVINSILMA is a Finnish tug, spanning 11 metres. She has a 4-metre beam and a draft measuring 1.5 metres. She's listed under MMSI 230980890, call sign OH9784. Give ARVINSILMA the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like ARVINSILMA.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
60.1445° N, 21.3149° E
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Joining the Safety Initiative Network doesn't just put ARVINSILMA on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 ARVINSILMA and switch it all on
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About ARVINSILMA
What kind of vessel is ARVINSILMA?
ARVINSILMA is a Tug flagged to Finland.
Where was ARVINSILMA last seen?
ARVINSILMA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is ARVINSILMA's MMSI?
ARVINSILMA's MMSI is 230980890. Call sign OH9784.
How big is ARVINSILMA?
ARVINSILMA is about 11 m long, 4 m on the beam, drawing 1.5 m.
Is ARVINSILMA on the Master's Mate Safety Initiative Network?
Not yet. If ARVINSILMA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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