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
URSA MAJOR
MMSI 367654070 · Call sign WDH8041
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
15.1 m
Beam
7.5 m
Draft
2.2 m
Call sign
WDH8041
Official No.
588778
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
On the American registry, URSA MAJOR is a 15.1-metre offshore fishing boat. She carries a 7.5 m beam and a 2.2-metre draft. Her registration reads MMSI 367654070, call sign WDH8041. Put URSA MAJOR 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 URSA MAJOR 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
Last known position · Jun 4, 2026
Position
49.1852° N, 123.6882° W
Fishing the Salish Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put URSA MAJOR 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 URSA MAJOR and switch it all on
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About URSA MAJOR
What kind of vessel is URSA MAJOR?
URSA MAJOR is a Commercial Fishing Vessel flagged to United States of America.
Where was URSA MAJOR last seen?
URSA MAJOR was last reported in the Salish Sea in Jun 2026 on public AIS.
What is URSA MAJOR's MMSI?
URSA MAJOR's MMSI is 367654070. Call sign WDH8041.
How big is URSA MAJOR?
URSA MAJOR is about 15.1 m long, 7.5 m on the beam, drawing 2.2 m.
Is URSA MAJOR on the Master's Mate Safety Initiative Network?
Not yet. If URSA MAJOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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