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.
Passenger (Inspected)
king eider
MMSI 367178340 · Call sign WDD6842
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
12.1 m
Beam
4.1 m
Draft
1.5 m
Call sign
WDD6842
Official No.
948089
AIS reports
1
king eider, an American passenger vessel, measures 12.1 metres on deck. She carries a beam measuring 4.1 metres and a 1.5 m draft. Her registration reads MMSI 367178340, call sign WDD6842. king eider belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard king eider safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever king eider roams, 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 king eider on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim king eider and switch it all on
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About king eider
What kind of vessel is king eider?
king eider is a Passenger (Inspected) flagged to United States of America.
What is king eider's MMSI?
king eider's MMSI is 367178340. Call sign WDD6842.
How big is king eider?
king eider is about 12.1 m long, 4.1 m on the beam, drawing 1.5 m.
Is king eider on the Master's Mate Safety Initiative Network?
Not yet. If king eider is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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