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.
Cargo
CROWN SAPPHIRE
MMSI 311000855 · Call sign C6EC4
Not yet on Master's MateType
Cargo
Flag
BHSLength
152 m
Beam
23 m
Draft
9.2 m
Call sign
C6EC4
IMO
9159115
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
65
CROWN SAPPHIRE, a cargo ship flying the flag of the Bahamas, measures 152 metres on deck. She's built with 23 metres in the beam and a 9.2 m draft. She's listed under MMSI 311000855, call sign C6EC4, IMO 9159115. CROWN SAPPHIRE can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on CROWN SAPPHIRE, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
56.6764° N, 17.9934° E
Transiting 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.
Free with your claim · for commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CROWN SAPPHIRE on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 CROWN SAPPHIRE and switch it all on
Free to join · nothing to install to start · cancel anytime
About CROWN SAPPHIRE
What kind of vessel is CROWN SAPPHIRE?
CROWN SAPPHIRE is a Cargo flagged to The Bahamas.
Where was CROWN SAPPHIRE last seen?
CROWN SAPPHIRE was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is CROWN SAPPHIRE's MMSI?
CROWN SAPPHIRE's MMSI is 311000855. Call sign C6EC4. IMO 9159115.
How big is CROWN SAPPHIRE?
CROWN SAPPHIRE is about 152 m long, 23 m on the beam, drawing 9.2 m.
Is CROWN SAPPHIRE on the Master's Mate Safety Initiative Network?
Not yet. If CROWN SAPPHIRE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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