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
DOUGLAS B
MMSI 367659090 · Call sign WDH8545
Not yet on Master's MateType
Tug
Flag
USALength
20 m
Beam
8 m
Draft
3 m
Call sign
WDH8545
Official No.
1071022
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
79
Out of the United States, DOUGLAS B is a 20-metre harbour tug. Below, she has a beam measuring 8 metres and a draft of 3 m. She's listed under MMSI 367659090, call sign WDH8545. DOUGLAS B is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
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Built for boats that work — like DOUGLAS B.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Last known position · Jun 4, 2026
Position
29.6825° N, 94.9874° W
Working the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put DOUGLAS 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 DOUGLAS B and switch it all on
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About DOUGLAS B
What kind of vessel is DOUGLAS B?
DOUGLAS B is a Tug flagged to United States of America.
Where was DOUGLAS B last seen?
DOUGLAS B was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is DOUGLAS B's MMSI?
DOUGLAS B's MMSI is 367659090. Call sign WDH8545.
How big is DOUGLAS B?
DOUGLAS B is about 20 m long, 8 m on the beam, drawing 3 m.
Is DOUGLAS B on the Master's Mate Safety Initiative Network?
Not yet. If DOUGLAS B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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