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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

COOPERATIVE VANGUARD

MMSI 366984840 · Call sign WDB9900

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
47.5 m
Beam
12.2 m
Draft
2.7 m
Call sign
WDB9900
Official No.
648110
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
22

COOPERATIVE VANGUARD flies the American flag — a 47.5-metre work boat. Below, she has a beam measuring 12.2 metres and a draft measuring 2.7 metres. She's on record as MMSI 366984840, call sign WDB9900. There's a place for COOPERATIVE VANGUARD on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for working boats

Built for boats that work — like COOPERATIVE VANGUARD.

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
39.0004° N, 90.5736° W
Wherever COOPERATIVE VANGUARD 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 COOPERATIVE VANGUARD 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 COOPERATIVE VANGUARD and switch it all on
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About COOPERATIVE VANGUARD

What kind of vessel is COOPERATIVE VANGUARD?
COOPERATIVE VANGUARD is a Towing Vessel flagged to United States of America.
Where was COOPERATIVE VANGUARD last seen?
COOPERATIVE VANGUARD was last reported in around 39°N 91°W in Jun 2026 on public AIS.
What is COOPERATIVE VANGUARD's MMSI?
COOPERATIVE VANGUARD's MMSI is 366984840. Call sign WDB9900.
How big is COOPERATIVE VANGUARD?
COOPERATIVE VANGUARD is about 47.5 m long, 12.2 m on the beam, drawing 2.7 m.
Is COOPERATIVE VANGUARD on the Master's Mate Safety Initiative Network?
Not yet. If COOPERATIVE VANGUARD is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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