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
CALYPSO
MMSI 244690027 · Call sign PD3667
Not yet on Master's MateType
Passenger
Flag
NLDLength
75 m
Beam
11 m
Draft
1.2 m
Call sign
PD3667
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
CALYPSO is an excursion vessel listed on the the Netherlands registry, 75 metres from stem to stern. She carries a 11 m beam and a 1.2-metre draft. Officially she's MMSI 244690027, call sign PD3667. Claim CALYPSO 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 CALYPSO safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Live AIS position · Jun 9, 2026 11:22 UTC
Position
51.8747° N, 4.6249° E
Status
Moored
Speed
0.0 kn
Course
15°
Destination
NIJMEGEN
ETA
07-01 13:30 UTC
Sailing the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put CALYPSO 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 CALYPSO and switch it all on
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About CALYPSO
What kind of vessel is CALYPSO?
CALYPSO is a Passenger flagged to Netherlands.
Where was CALYPSO last seen?
CALYPSO was last reported in the North Sea in Jun 2026 on public AIS.
What is CALYPSO's MMSI?
CALYPSO's MMSI is 244690027. Call sign PD3667.
How big is CALYPSO?
CALYPSO is about 75 m long, 11 m on the beam, drawing 1.2 m.
Is CALYPSO on the Master's Mate Safety Initiative Network?
Not yet. If CALYPSO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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