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
SPRING ALPHA
last seen 37°N 127°E · Jun 2026 · MMSI 440315020
Not yet on Master's MateFirst reported
Jun 2026
Last reported
Jun 2026
AIS reports
14
SPRING ALPHA is a craft. On AIS she shows as MMSI 440315020. SPRING ALPHA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card
Is SPRING ALPHA 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 16, 2026 00:52 UTC
Position
37.4461° N, 126.6136° E
Status
Moored
Speed
0.0 kn
Course
157°
Crossing the Yellow 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 SPRING ALPHA 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 SPRING ALPHA and switch it all on
Free to join · nothing to install to start · cancel anytime
About SPRING ALPHA
What kind of vessel is SPRING ALPHA?
SPRING ALPHA is a vessel.
Where was SPRING ALPHA last seen?
SPRING ALPHA was last reported in the Yellow Sea in Jun 2026 on public AIS.
What is SPRING ALPHA's MMSI?
SPRING ALPHA's MMSI is 440315020.
Is SPRING ALPHA on the Master's Mate Safety Initiative Network?
Not yet. If SPRING ALPHA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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