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 (Uninspected)
Sea Mist
MMSI 367145610 · Call sign WDD4507
Not yet on Master's MateType
Passenger (Uninspected)
Flag
USALength
20.4 m
Beam
6.3 m
Draft
3.2 m
Call sign
WDD4507
Official No.
959440
AIS reports
1
Sea Mist flies the American flag — a 20.4-metre passenger vessel. Sea Mist has a beam of 6.3 m and a 3.2 m draft. She's listed under MMSI 367145610, call sign WDD4507. Add Sea Mist to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Sea Mist 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 Sea Mist 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 · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Sea Mist 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 Sea Mist and switch it all on
Free to join · nothing to install to start · cancel anytime
About Sea Mist
What kind of vessel is Sea Mist?
Sea Mist is a Passenger (Uninspected) flagged to United States of America.
What is Sea Mist's MMSI?
Sea Mist's MMSI is 367145610. Call sign WDD4507.
How big is Sea Mist?
Sea Mist is about 20.4 m long, 6.3 m on the beam, drawing 3.2 m.
Is Sea Mist on the Master's Mate Safety Initiative Network?
Not yet. If Sea Mist is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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