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
UMOJA
MMSI 244030327 · Call sign PC3661
Not yet on Master's MateType
Passenger
Flag
NLDLength
40 m
Beam
7 m
Draft
1.8 m
Call sign
PC3661
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
UMOJA, a ferry sailing under the Dutch flag, measures 40 metres on deck. UMOJA has a beam measuring 7 metres and a 1.8-metre draft. Officially she's MMSI 244030327, call sign PC3661. Join UMOJA to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard UMOJA 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
Last known position · Jun 4, 2026
Position
52.4269° N, 5.0760° E
Sailing the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put UMOJA 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 UMOJA and switch it all on
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About UMOJA
What kind of vessel is UMOJA?
UMOJA is a Passenger flagged to Netherlands.
Where was UMOJA last seen?
UMOJA was last reported in the North Sea in Jun 2026 on public AIS.
What is UMOJA's MMSI?
UMOJA's MMSI is 244030327. Call sign PC3661.
How big is UMOJA?
UMOJA is about 40 m long, 7 m on the beam, drawing 1.8 m.
Is UMOJA on the Master's Mate Safety Initiative Network?
Not yet. If UMOJA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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