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.
Commercial Fishing Vessel
Major Steppen Stone
MMSI 367651850 · Call sign WDH7810
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
10.1 m
Beam
3.4 m
Draft
1.7 m
Call sign
WDH7810
Official No.
586718
AIS reports
1
On the American registry, Major Steppen Stone is a 10.1-metre working fishing boat. She carries a 3.4-metre beam and a 1.7 m draft. On the registers she's MMSI 367651850, call sign WDH7810. Put Major Steppen Stone on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working captains
Know where the fleet is. Get Major Steppen Stone home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Major Steppen Stone 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 captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Major Steppen Stone on the map. It hands you the full bridge:
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.
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.
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 Major Steppen Stone and switch it all on
Free to join · nothing to install to start · cancel anytime
About Major Steppen Stone
What kind of vessel is Major Steppen Stone?
Major Steppen Stone is a Commercial Fishing Vessel flagged to United States of America.
What is Major Steppen Stone's MMSI?
Major Steppen Stone's MMSI is 367651850. Call sign WDH7810.
How big is Major Steppen Stone?
Major Steppen Stone is about 10.1 m long, 3.4 m on the beam, drawing 1.7 m.
Is Major Steppen Stone on the Master's Mate Safety Initiative Network?
Not yet. If Major Steppen Stone is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.