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
St. Peter III
MMSI 367733940 · Call sign WDI7961
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
16.8 m
Beam
4.9 m
Draft
3.7 m
Call sign
WDI7961
Official No.
682306
AIS reports
1
On the American registry, St. Peter III is a 16.8-metre working fishing boat. She carries a 4.9 m beam and a 3.7 m draft. Her papers read MMSI 367733940, call sign WDI7961. Working boats like St. Peter III spend long hours offshore — the free Master's Mate Safety Initiative Network puts a distress mesh and a watching fleet within reach.
Free forever · No credit card · for working captains
Know where the fleet is. Get St. Peter III 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 St. Peter III 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 St. Peter III 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 St. Peter III and switch it all on
Free to join · nothing to install to start · cancel anytime
About St. Peter III
What kind of vessel is St. Peter III?
St. Peter III is a Commercial Fishing Vessel flagged to United States of America.
What is St. Peter III's MMSI?
St. Peter III's MMSI is 367733940. Call sign WDI7961.
How big is St. Peter III?
St. Peter III is about 16.8 m long, 4.9 m on the beam, drawing 3.7 m.
Is St. Peter III on the Master's Mate Safety Initiative Network?
Not yet. If St. Peter III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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