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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.
Tug
ALEXANDER,DUFF
MMSI 367314530 · Call sign WDK8094
Not yet on Master's MateType
Tug
Flag
USALength
18 m
Beam
8 m
Draft
2.6 m
Call sign
WDK8094
Official No.
633594
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
80
Out of the United States, ALEXANDER,DUFF is an 18-metre tugboat. She carries a 8 m beam and a 2.6 m draft. Find her under MMSI 367314530, call sign WDK8094. Working vessels like ALEXANDER,DUFF are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like ALEXANDER,DUFF.
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 12:07 UTC
Position
37.1496° N, 76.2033° W
Status
Pushing ahead
Speed
6.9 kn
Course
187°
Destination
PERDUE-CHESAPEAKE
ETA
06-09 17:30 UTC
Working Chesapeake Bay? 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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Joining the Safety Initiative Network doesn't just put ALEXANDER,DUFF 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 ALEXANDER,DUFF and switch it all on
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About ALEXANDER,DUFF
What kind of vessel is ALEXANDER,DUFF?
ALEXANDER,DUFF is a Tug flagged to United States of America.
Where was ALEXANDER,DUFF last seen?
ALEXANDER,DUFF was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is ALEXANDER,DUFF's MMSI?
ALEXANDER,DUFF's MMSI is 367314530. Call sign WDK8094.
How big is ALEXANDER,DUFF?
ALEXANDER,DUFF is about 18 m long, 8 m on the beam, drawing 2.6 m.
Is ALEXANDER,DUFF on the Master's Mate Safety Initiative Network?
Not yet. If ALEXANDER,DUFF is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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