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.
Passenger (Inspected)
BLUE DOG
MMSI 367023080 · Call sign WCR7375
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
15 m
Beam
4 m
Draft
1.7 m
Call sign
WCR7375
Official No.
643126
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
BLUE DOG, a ferry flying the flag of the United States, measures 15 metres on deck. She carries a 4-metre beam and a 1.7-metre draft. Look for MMSI 367023080, call sign WCR7375. Claim BLUE DOG free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard BLUE DOG safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
41.8905° N, 87.6132° W
Sailing 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BLUE DOG on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 BLUE DOG and switch it all on
Free to join · nothing to install to start · cancel anytime
About BLUE DOG
What kind of vessel is BLUE DOG?
BLUE DOG is a Passenger (Inspected) flagged to United States of America.
Where was BLUE DOG last seen?
BLUE DOG was last reported in Lake Michigan in Jun 2026 on public AIS.
What is BLUE DOG's MMSI?
BLUE DOG's MMSI is 367023080. Call sign WCR7375.
How big is BLUE DOG?
BLUE DOG is about 15 m long, 4 m on the beam, drawing 1.7 m.
Is BLUE DOG on the Master's Mate Safety Initiative Network?
Not yet. If BLUE DOG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.