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
JOE DERBAS
MMSI 368437390 · Call sign WDQ5745
Not yet on Master's MateType
Tug
Flag
USALength
87 m
Beam
12 m
Draft
2.8 m
Call sign
WDQ5745
Official No.
551557
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
JOE DERBAS is an American tugboat, 87 metres in length. JOE DERBAS has 12 metres in the beam and a 2.8 m draft. Her registration reads MMSI 368437390, call sign WDQ5745. Add JOE DERBAS to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like JOE DERBAS.
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 12:29 UTC
Position
41.6735° N, 87.5524° W
Status
Pushing ahead
Speed
0.5 kn
Course
228°
Destination
US^0Z56>?? ???
Working Lake Michigan? 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 JOE DERBAS 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 JOE DERBAS and switch it all on
Free to join · nothing to install to start · cancel anytime
About JOE DERBAS
What kind of vessel is JOE DERBAS?
JOE DERBAS is a Tug flagged to United States of America.
Where was JOE DERBAS last seen?
JOE DERBAS was last reported in Lake Michigan in Jun 2026 on public AIS.
What is JOE DERBAS's MMSI?
JOE DERBAS's MMSI is 368437390. Call sign WDQ5745.
How big is JOE DERBAS?
JOE DERBAS is about 87 m long, 12 m on the beam, drawing 2.8 m.
Is JOE DERBAS on the Master's Mate Safety Initiative Network?
Not yet. If JOE DERBAS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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