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.
Offshore Supply Vessel
Miss BHaven
MMSI 338355000 · Call sign WDH8939
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
68.3 m
Beam
17.1 m
Draft
5.5 m
Call sign
WDH8939
IMO
9240184
Official No.
1097129
AIS reports
2
Registered in the United States, Miss BHaven is a 68.3-metre utility vessel. Miss BHaven has 17.1 metres in the beam and a 5.5-metre draft. Her papers read MMSI 338355000, call sign WDH8939, IMO 9240184. Put Miss BHaven on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like Miss BHaven.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Miss BHaven 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Miss BHaven on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 Miss BHaven and switch it all on
Free to join · nothing to install to start · cancel anytime
About Miss BHaven
What kind of vessel is Miss BHaven?
Miss BHaven is a Offshore Supply Vessel flagged to United States of America.
What is Miss BHaven's MMSI?
Miss BHaven's MMSI is 338355000. Call sign WDH8939. IMO 9240184.
How big is Miss BHaven?
Miss BHaven is about 68.3 m long, 17.1 m on the beam, drawing 5.5 m.
Is Miss BHaven on the Master's Mate Safety Initiative Network?
Not yet. If Miss BHaven is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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