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.
Tanker
AMARTHEA
MMSI 248672000 · Call sign 9HA4757
Not yet on Master's MateType
Tanker
Flag
MLTLength
250 m
Beam
44 m
Draft
9 m
Call sign
9HA4757
IMO
9752395
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
AMARTHEA is a Maltese 250-metre tanker. AMARTHEA has a beam of 44 m and a 9-metre draft. Her registration reads MMSI 248672000, call sign 9HA4757, IMO 9752395. It's free to add AMARTHEA to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for commercial operators
Eyes on AMARTHEA, 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 4, 2026
Position
33.6069° N, 118.0495° W
Transiting off Southern California? 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 AMARTHEA 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 AMARTHEA and switch it all on
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About AMARTHEA
What kind of vessel is AMARTHEA?
AMARTHEA is a Tanker flagged to Malta.
Where was AMARTHEA last seen?
AMARTHEA was last reported in off Southern California in Jun 2026 on public AIS.
What is AMARTHEA's MMSI?
AMARTHEA's MMSI is 248672000. Call sign 9HA4757. IMO 9752395.
How big is AMARTHEA?
AMARTHEA is about 250 m long, 44 m on the beam, drawing 9 m.
Is AMARTHEA on the Master's Mate Safety Initiative Network?
Not yet. If AMARTHEA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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