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.
Tug
TECUMSEH
MMSI 367133160 · Call sign WTW9257
Not yet on Master's MateType
Tug
Flag
USALength
36 m
Beam
11 m
Draft
5 m
Call sign
WTW9257
IMO
7511503
Official No.
616065
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
TECUMSEH, an American harbour tug, measures 36 metres on deck. She has a beam measuring 11 metres and a draft of 5 m. She broadcasts as MMSI 367133160, call sign WTW9257, IMO 7511503. Working vessels like TECUMSEH are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like TECUMSEH.
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
33.7673° N, 118.2175° W
Working off Southern California? 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 TECUMSEH 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 TECUMSEH and switch it all on
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About TECUMSEH
What kind of vessel is TECUMSEH?
TECUMSEH is a Tug flagged to United States of America.
Where was TECUMSEH last seen?
TECUMSEH was last reported in off Southern California in Jun 2026 on public AIS.
What is TECUMSEH's MMSI?
TECUMSEH's MMSI is 367133160. Call sign WTW9257. IMO 7511503.
How big is TECUMSEH?
TECUMSEH is about 36 m long, 11 m on the beam, drawing 5 m.
Is TECUMSEH on the Master's Mate Safety Initiative Network?
Not yet. If TECUMSEH is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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