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
CUYPERS
MMSI 244790376 · Call sign PE4531
Not yet on Master's MateType
Passenger
Flag
NLDLength
7 m
Beam
2 m
Call sign
PE4531
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
68
CUYPERS is an excursion vessel under the Dutch flag, 7 metres from stem to stern. CUYPERS has 2 metres in the beam. Her papers read MMSI 244790376, call sign PE4531. CUYPERS can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard CUYPERS 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
52.3657° N, 4.8787° E
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.
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Joining the Safety Initiative Network doesn't just put CUYPERS 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 CUYPERS and switch it all on
Free to join · nothing to install to start · cancel anytime
About CUYPERS
What kind of vessel is CUYPERS?
CUYPERS is a Passenger flagged to Netherlands.
Where was CUYPERS last seen?
CUYPERS was last reported in the North Sea in Jun 2026 on public AIS.
What is CUYPERS's MMSI?
CUYPERS's MMSI is 244790376. Call sign PE4531.
How big is CUYPERS?
CUYPERS is about 7 m long, 2 m on the beam.
Is CUYPERS on the Master's Mate Safety Initiative Network?
Not yet. If CUYPERS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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