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
HANDY THREE
MMSI 367529160 · Call sign WDG3740
Not yet on Master's MateType
Tug
Flag
USALength
20 m
Beam
9 m
Draft
4 m
Call sign
WDG3740
IMO
103
Official No.
1239468
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
HANDY THREE, a harbour tug on the the United States registry, measures 20 metres on deck. Below, she has 9 metres in the beam and a draft of 4 m. Look for MMSI 367529160, call sign WDG3740. The Master's Mate Safety Initiative Network welcomes HANDY THREE — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like HANDY THREE.
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
43.0792° N, 70.7573° W
Working the Gulf of Maine? 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HANDY THREE 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 HANDY THREE and switch it all on
Free to join · nothing to install to start · cancel anytime
About HANDY THREE
What kind of vessel is HANDY THREE?
HANDY THREE is a Tug flagged to United States of America.
Where was HANDY THREE last seen?
HANDY THREE was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is HANDY THREE's MMSI?
HANDY THREE's MMSI is 367529160. Call sign WDG3740. IMO 103.
How big is HANDY THREE?
HANDY THREE is about 20 m long, 9 m on the beam, drawing 4 m.
Is HANDY THREE on the Master's Mate Safety Initiative Network?
Not yet. If HANDY THREE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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