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.
Passenger
COHO
MMSI 366929710 · Call sign WM4599
Not yet on Master's MateType
Passenger
Flag
USALength
103 m
Beam
20 m
Draft
5 m
Call sign
WM4599
IMO
5076949
Official No.
280243
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
COHO is a passenger vessel under the American flag, 103 metres in length. She's built with 20 metres in the beam and a 5 m draft. Find her under MMSI 366929710, call sign WM4599, IMO 5076949. Join COHO to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard COHO safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 10:11 UTC
Position
48.1224° N, 123.4302° W
Status
Under way (engine)
Speed
0.0 kn
Course
0°
Destination
PT.ANGELES<>VICTORIA
Sailing the Salish Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put COHO on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 COHO and switch it all on
Free to join · nothing to install to start · cancel anytime
About COHO
What kind of vessel is COHO?
COHO is a Passenger flagged to United States of America.
Where was COHO last seen?
COHO was last reported in the Salish Sea in Jun 2026 on public AIS.
What is COHO's MMSI?
COHO's MMSI is 366929710. Call sign WM4599. IMO 5076949.
How big is COHO?
COHO is about 103 m long, 20 m on the beam, drawing 5 m.
Is COHO on the Master's Mate Safety Initiative Network?
Not yet. If COHO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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