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.
Vessel
SIRENA
Ashmore and Cartier Islands · last seen 32°S 116°E · Jun 2026 · MMSI 503125780
Not yet on Master's MateFlag
AUSFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
95
SIRENA is a vessel, listed on the Ashmore and Cartier Islands registry. She's on record as MMSI 503125780. Sign SIRENA up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is SIRENA your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 18:15 UTC
Position
32.0663° S, 115.7471° E
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Wherever SIRENA roams, 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SIRENA 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SIRENA and switch it all on
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About SIRENA
What kind of vessel is SIRENA?
SIRENA is a vessel flagged to Ashmore and Cartier Islands.
Where was SIRENA last seen?
SIRENA was last reported in around 32°S 116°E in Jun 2026 on public AIS.
What is SIRENA's MMSI?
SIRENA's MMSI is 503125780.
Is SIRENA on the Master's Mate Safety Initiative Network?
Not yet. If SIRENA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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