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.
Port Tender
MAARTJE
MMSI 244692000 · Call sign PFRI
Not yet on Master's MateType
Port Tender
Flag
NLDLength
31 m
Beam
6 m
Draft
2.4 m
Call sign
PFRI
IMO
7117400
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
On the Dutch registry, MAARTJE is a 31-metre utility boat. She carries a beam of 6 m and a 2.4-metre draft. Officially she's MMSI 244692000, call sign PFRI, IMO 7117400. Bring MAARTJE 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 MAARTJE.
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 11:34 UTC
Position
52.0975° N, 4.2688° E
Status
Moored
Speed
0.0 kn
Course
180°
Destination
SCHEVENINGEN
Working the North Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MAARTJE 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 MAARTJE and switch it all on
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About MAARTJE
What kind of vessel is MAARTJE?
MAARTJE is a Port Tender flagged to Netherlands.
Where was MAARTJE last seen?
MAARTJE was last reported in the North Sea in Jun 2026 on public AIS.
What is MAARTJE's MMSI?
MAARTJE's MMSI is 244692000. Call sign PFRI. IMO 7117400.
How big is MAARTJE?
MAARTJE is about 31 m long, 6 m on the beam, drawing 2.4 m.
Is MAARTJE on the Master's Mate Safety Initiative Network?
Not yet. If MAARTJE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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