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
BW21
Ashmore and Cartier Islands · last seen 33°S 151°E · Jun 2026 · MMSI 503076590
Not yet on Master's MateFlag
AUSFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
29
Registered in Ashmore and Cartier Islands, BW21 is a boat. On the registers she's MMSI 503076590. Give BW21 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is BW21 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 12:26 UTC
Position
33.4384° S, 151.3316° E
Status
Under way (engine)
Speed
0.1 kn
Course
360°
Crossing the Tasman 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BW21 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 BW21 and switch it all on
Free to join · nothing to install to start · cancel anytime
About BW21
What kind of vessel is BW21?
BW21 is a vessel flagged to Ashmore and Cartier Islands.
Where was BW21 last seen?
BW21 was last reported in the Tasman Sea in Jun 2026 on public AIS.
What is BW21's MMSI?
BW21's MMSI is 503076590.
Is BW21 on the Master's Mate Safety Initiative Network?
Not yet. If BW21 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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