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)
G. Frederick Seemann
MMSI 367566040 · Call sign WDN7891
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
45 m
Beam
9 m
Draft
3.3 m
Call sign
WDN7891
IMO
9702235
Official No.
1243307
AIS reports
2
Out of the United States, G. Frederick Seemann is a 45-metre passenger ship. Below, she has a 9-metre beam and a draft measuring 3.3 metres. She's on record as MMSI 367566040, call sign WDN7891, IMO 9702235. G. Frederick Seemann belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Keep every soul aboard G. Frederick Seemann safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Joining the Safety Initiative Network doesn't just put G. Frederick Seemann 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.
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About G. Frederick Seemann
What kind of vessel is G. Frederick Seemann?
G. Frederick Seemann is a Passenger (Inspected) flagged to United States of America.
What is G. Frederick Seemann's MMSI?
G. Frederick Seemann's MMSI is 367566040. Call sign WDN7891. IMO 9702235.
How big is G. Frederick Seemann?
G. Frederick Seemann is about 45 m long, 9 m on the beam, drawing 3.3 m.
Is G. Frederick Seemann on the Master's Mate Safety Initiative Network?
Not yet. If G. Frederick Seemann is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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