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.
Towing
GRIZZLY
MMSI 367301450 · Call sign WDD8688
Not yet on Master's MateType
Towing
Flag
USALength
30 m
Beam
9 m
Draft
2.2 m
Call sign
WDD8688
IMO
507652
Official No.
507652
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Out of the United States, GRIZZLY is a 30-metre service vessel. She carries a 9 m beam and a 2.2 m draft. On the registers she's MMSI 367301450, call sign WDD8688. GRIZZLY is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working boats
Built for boats that work — like GRIZZLY.
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
Last known position · Jun 4, 2026
Position
45.5810° N, 122.7603° W
Wherever GRIZZLY 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 GRIZZLY 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 GRIZZLY and switch it all on
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About GRIZZLY
What kind of vessel is GRIZZLY?
GRIZZLY is a Towing flagged to United States of America.
Where was GRIZZLY last seen?
GRIZZLY was last reported in around 46°N 123°W in Jun 2026 on public AIS.
What is GRIZZLY's MMSI?
GRIZZLY's MMSI is 367301450. Call sign WDD8688. IMO 507652.
How big is GRIZZLY?
GRIZZLY is about 30 m long, 9 m on the beam, drawing 2.2 m.
Is GRIZZLY on the Master's Mate Safety Initiative Network?
Not yet. If GRIZZLY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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