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
GEERTJE
MMSI 244130271 · Call sign PE4855
Not yet on Master's MateType
Passenger
Flag
NLDLength
7 m
Beam
3 m
Call sign
PE4855
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
GEERTJE is a Dutch passenger vessel — 7 metres overall. She carries a beam measuring 3 metres. Look for MMSI 244130271, call sign PE4855. Sign GEERTJE up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard GEERTJE 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 12:19 UTC
Position
52.3774° N, 4.8876° E
Status
Under way (engine)
Speed
0.9 kn
Course
24°
Sailing 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.
Free with your claim · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GEERTJE 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 GEERTJE and switch it all on
Free to join · nothing to install to start · cancel anytime
About GEERTJE
What kind of vessel is GEERTJE?
GEERTJE is a Passenger flagged to Netherlands.
Where was GEERTJE last seen?
GEERTJE was last reported in the North Sea in Jun 2026 on public AIS.
What is GEERTJE's MMSI?
GEERTJE's MMSI is 244130271. Call sign PE4855.
How big is GEERTJE?
GEERTJE is about 7 m long, 3 m on the beam.
Is GEERTJE on the Master's Mate Safety Initiative Network?
Not yet. If GEERTJE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.