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
SAPPHIRE PRINCESS
MMSI 310867000 · Call sign ZCHI4
Not yet on Master's MateType
Passenger
Flag
BMULength
288 m
Beam
38 m
Draft
8.3 m
Call sign
ZCHI4
IMO
9228186
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
72
A Bermudian passenger vessel, SAPPHIRE PRINCESS measures 288 metres. She carries a 38 m beam and a 8.3 m draft. She broadcasts as MMSI 310867000, call sign ZCHI4, IMO 9228186. SAPPHIRE PRINCESS belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SAPPHIRE PRINCESS 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 04:53 UTC
Position
58.9245° N, 10.5527° E
Status
Under way (engine)
Speed
12.5 kn
Course
8°
Destination
NO OSL
ETA
06-09 10:00 UTC
Sailing the Baltic 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 SAPPHIRE PRINCESS 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 SAPPHIRE PRINCESS and switch it all on
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About SAPPHIRE PRINCESS
What kind of vessel is SAPPHIRE PRINCESS?
SAPPHIRE PRINCESS is a Passenger flagged to Bermuda.
Where was SAPPHIRE PRINCESS last seen?
SAPPHIRE PRINCESS was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is SAPPHIRE PRINCESS's MMSI?
SAPPHIRE PRINCESS's MMSI is 310867000. Call sign ZCHI4. IMO 9228186.
How big is SAPPHIRE PRINCESS?
SAPPHIRE PRINCESS is about 288 m long, 38 m on the beam, drawing 8.3 m.
Is SAPPHIRE PRINCESS on the Master's Mate Safety Initiative Network?
Not yet. If SAPPHIRE PRINCESS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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