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.
Tug
ROJVIK
MMSI 230052040 · Call sign OJ9393
Not yet on Master's MateType
Tug
Flag
FINLength
20 m
Beam
6 m
Draft
3.2 m
Call sign
OJ9393
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
14
On the Finnish registry, ROJVIK is a 20-metre working tug. She carries a 6 m beam and a 3.2-metre draft. On AIS she shows as MMSI 230052040, call sign OJ9393. Claim ROJVIK free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like ROJVIK.
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
Wherever ROJVIK roams, 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ROJVIK 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 ROJVIK and switch it all on
Free to join · nothing to install to start · cancel anytime
About ROJVIK
What kind of vessel is ROJVIK?
ROJVIK is a Tug flagged to Finland.
What is ROJVIK's MMSI?
ROJVIK's MMSI is 230052040. Call sign OJ9393.
How big is ROJVIK?
ROJVIK is about 20 m long, 6 m on the beam, drawing 3.2 m.
Is ROJVIK on the Master's Mate Safety Initiative Network?
Not yet. If ROJVIK is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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