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.
Dredging
MOSA
MMSI 244790611 · Call sign PG4438
Not yet on Master's MateType
Dredging
Flag
NLDLength
82 m
Beam
10 m
Draft
0.3 m
Call sign
PG4438
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in the Netherlands, MOSA is an 82-metre service vessel. She's built with 10 metres in the beam and a 0.3 m draft. She's listed under MMSI 244790611, call sign PG4438. Bring MOSA aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like MOSA.
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
Live AIS position · Jun 9, 2026 11:30 UTC
Position
51.8269° N, 4.7291° E
Speed
0.0 kn
Course
100°
Working the North Sea? You're never out there alone.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MOSA 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 MOSA and switch it all on
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About MOSA
What kind of vessel is MOSA?
MOSA is a Dredging flagged to Netherlands.
Where was MOSA last seen?
MOSA was last reported in the North Sea in Jun 2026 on public AIS.
What is MOSA's MMSI?
MOSA's MMSI is 244790611. Call sign PG4438.
How big is MOSA?
MOSA is about 82 m long, 10 m on the beam, drawing 0.3 m.
Is MOSA on the Master's Mate Safety Initiative Network?
Not yet. If MOSA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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