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
Port Alfred
MMSI 477832100
Not yet on Master's MateFlag
HKGLength
170 m
IMO
9293868
AIS reports
2
Port Alfred is a Hong Kong craft — 170 metres overall. Look for MMSI 477832100, IMO 9293868. Port Alfred 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
Is Port Alfred 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
Wherever Port Alfred 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 Port Alfred 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 Port Alfred and switch it all on
Free to join · nothing to install to start · cancel anytime
About Port Alfred
What kind of vessel is Port Alfred?
Port Alfred is a vessel flagged to Hong Kong S.A.R..
What is Port Alfred's MMSI?
Port Alfred's MMSI is 477832100. IMO 9293868.
How big is Port Alfred?
Port Alfred is about 170 m long.
Is Port Alfred on the Master's Mate Safety Initiative Network?
Not yet. If Port Alfred is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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