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
MOSI JO
MMSI 244734067 · Call sign PC3808
Not yet on Master's MateType
Passenger
Flag
NLDLength
10 m
Beam
4 m
Draft
0.5 m
Call sign
PC3808
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
MOSI JO, an excursion vessel hailing from the Netherlands, measures 10 metres on deck. She carries 4 metres in the beam and a 0.5-metre draft. Officially she's MMSI 244734067, call sign PC3808. Claim MOSI JO free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard MOSI JO 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 15:48 UTC
Position
52.3619° N, 4.8831° E
Status
Under way (engine)
Speed
4.4 kn
Course
267°
Sailing the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put MOSI JO 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 MOSI JO and switch it all on
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About MOSI JO
What kind of vessel is MOSI JO?
MOSI JO is a Passenger flagged to Netherlands.
Where was MOSI JO last seen?
MOSI JO was last reported in the North Sea in Jun 2026 on public AIS.
What is MOSI JO's MMSI?
MOSI JO's MMSI is 244734067. Call sign PC3808.
How big is MOSI JO?
MOSI JO is about 10 m long, 4 m on the beam, drawing 0.5 m.
Is MOSI JO on the Master's Mate Safety Initiative Network?
Not yet. If MOSI JO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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