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
HARMONY V
MMSI 240937000 · Call sign SX8327
Not yet on Master's MateType
Passenger
Flag
GRCLength
46 m
Beam
8 m
Draft
3 m
Call sign
SX8327
IMO
8620583
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
75
HARMONY V, a Greek ferry, measures 46 metres on deck. She carries 8 metres in the beam and a 3-metre draft. Officially she's MMSI 240937000, call sign SX8327, IMO 8620583. HARMONY V is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard HARMONY V 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
37.3999° N, 22.9535° E
Sailing the Aegean 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 HARMONY V 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 HARMONY V and switch it all on
Free to join · nothing to install to start · cancel anytime
About HARMONY V
What kind of vessel is HARMONY V?
HARMONY V is a Passenger flagged to Greece.
Where was HARMONY V last seen?
HARMONY V was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is HARMONY V's MMSI?
HARMONY V's MMSI is 240937000. Call sign SX8327. IMO 8620583.
How big is HARMONY V?
HARMONY V is about 46 m long, 8 m on the beam, drawing 3 m.
Is HARMONY V on the Master's Mate Safety Initiative Network?
Not yet. If HARMONY V 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.