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.
Pleasure Craft
CALYPSO
MMSI 339428000 · Call sign 6YSK3
Not yet on Master's MateType
Pleasure Craft
Flag
JAMLength
38 m
Beam
8 m
Draft
2.4 m
Call sign
6YSK3
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
CALYPSO is a 38-metre leisure boat, flagged in Jamaica. She's built with a beam measuring 8 metres and a 2.4 m draft. On AIS she appears as MMSI 339428000, call sign 6YSK3. Sign CALYPSO 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 recreational captains
Keep CALYPSO looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 01:41 UTC
Position
36.9938° N, 76.1929° W
Status
Under way (engine)
Speed
8.6 kn
Course
107°
Destination
NEWPORT
ETA
06-10 08:00 UTC
Cruising Chesapeake Bay? 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 CALYPSO on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 Pleasure Craft flagged to Jamaica.
Where was CALYPSO last seen?
CALYPSO was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is CALYPSO's MMSI?
CALYPSO's MMSI is 339428000. Call sign 6YSK3.
How big is CALYPSO?
CALYPSO is about 38 m long, 8 m on the beam, drawing 2.4 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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