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
CLAIRE B
MMSI 338205428 · Call sign WDH3524
Not yet on Master's MateType
Tug
Flag
USALength
25 m
Beam
8 m
Call sign
WDH3524
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
74
Registered in the United States, CLAIRE B is a 25-metre tugboat. She's built with a 8 m beam. Her papers read MMSI 338205428, call sign WDH3524. Join CLAIRE B to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like CLAIRE B.
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
Live AIS position · Jun 9, 2026 17:40 UTC
Position
45.7018° N, 122.7700° W
Status
Under way (engine)
Speed
8.6 kn
Course
14°
Wherever CLAIRE B 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 CLAIRE B 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 CLAIRE B and switch it all on
Free to join · nothing to install to start · cancel anytime
About CLAIRE B
What kind of vessel is CLAIRE B?
CLAIRE B is a Tug flagged to United States of America.
Where was CLAIRE B last seen?
CLAIRE B was last reported in around 46°N 123°W in Jun 2026 on public AIS.
What is CLAIRE B's MMSI?
CLAIRE B's MMSI is 338205428. Call sign WDH3524.
How big is CLAIRE B?
CLAIRE B is about 25 m long, 8 m on the beam.
Is CLAIRE B on the Master's Mate Safety Initiative Network?
Not yet. If CLAIRE B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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