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 Vessel
COOP AMBASSADOR
MMSI 366984260 · Call sign WDB9871
Not yet on Master's MateType
Towing Vessel
Flag
USALength
229 m
Beam
33 m
Draft
2.8 m
Call sign
WDB9871
Official No.
630804
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
50
COOP AMBASSADOR is a harbour workboat under American registration, 229 metres long. Her hull carries 33 metres in the beam and a draft of 2.8 m. On AIS she shows as MMSI 366984260, call sign WDB9871. COOP AMBASSADOR earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like COOP AMBASSADOR.
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 3, 2026
Position
39.2515° N, 90.7261° W
Wherever COOP AMBASSADOR 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 COOP AMBASSADOR 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 COOP AMBASSADOR and switch it all on
Free to join · nothing to install to start · cancel anytime
About COOP AMBASSADOR
What kind of vessel is COOP AMBASSADOR?
COOP AMBASSADOR is a Towing Vessel flagged to United States of America.
Where was COOP AMBASSADOR last seen?
COOP AMBASSADOR was last reported in around 39°N 91°W in Jun 2026 on public AIS.
What is COOP AMBASSADOR's MMSI?
COOP AMBASSADOR's MMSI is 366984260. Call sign WDB9871.
How big is COOP AMBASSADOR?
COOP AMBASSADOR is about 229 m long, 33 m on the beam, drawing 2.8 m.
Is COOP AMBASSADOR on the Master's Mate Safety Initiative Network?
Not yet. If COOP AMBASSADOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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