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.
Military
A505 HMS ASTREA
MMSI 265591580 · Call sign SMOI
Not yet on Master's MateType
Military
Flag
SWELength
26 m
Beam
6 m
Draft
1.9 m
Call sign
SMOI
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
38
A505 HMS ASTREA flies the Swedish flag — a 26-metre craft. Below, she has a beam measuring 6 metres and a draft of 1.9 m. Officially she's MMSI 265591580, call sign SMOI. The Master's Mate Safety Initiative Network welcomes A505 HMS ASTREA — free to join, cruiser-run, and always on watch.
Free forever · No credit card
Is A505 HMS ASTREA 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
Last known position · Jun 3, 2026
Position
59.3955° N, 18.5996° E
Crossing 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put A505 HMS ASTREA 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 A505 HMS ASTREA and switch it all on
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About A505 HMS ASTREA
What kind of vessel is A505 HMS ASTREA?
A505 HMS ASTREA is a Military flagged to Sweden.
Where was A505 HMS ASTREA last seen?
A505 HMS ASTREA was last reported in the Baltic Sea in Jun 2026 on public AIS.
What is A505 HMS ASTREA's MMSI?
A505 HMS ASTREA's MMSI is 265591580. Call sign SMOI.
How big is A505 HMS ASTREA?
A505 HMS ASTREA is about 26 m long, 6 m on the beam, drawing 1.9 m.
Is A505 HMS ASTREA on the Master's Mate Safety Initiative Network?
Not yet. If A505 HMS ASTREA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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