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.
Cargo
JOHN J. BOLAND
MMSI 366938780 · Call sign WZE4539
Not yet on Master's MateType
Cargo
Flag
USALength
207 m
Beam
24 m
Draft
8.2 m
Call sign
WZE4539
IMO
7318901
Official No.
550954
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
43
JOHN J. BOLAND is an American freighter — 207 metres overall. Below, she has a beam of 24 m and a draft of 8.2 m. On AIS she shows as MMSI 366938780, call sign WZE4539, IMO 7318901. JOHN J. BOLAND is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for commercial operators
Eyes on JOHN J. BOLAND, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
45.1114° N, 86.2778° W
Transiting 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put JOHN J. BOLAND on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 JOHN J. BOLAND and switch it all on
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About JOHN J. BOLAND
What kind of vessel is JOHN J. BOLAND?
JOHN J. BOLAND is a Cargo flagged to United States of America.
Where was JOHN J. BOLAND last seen?
JOHN J. BOLAND was last reported in Lake Michigan in Jun 2026 on public AIS.
What is JOHN J. BOLAND's MMSI?
JOHN J. BOLAND's MMSI is 366938780. Call sign WZE4539. IMO 7318901.
How big is JOHN J. BOLAND?
JOHN J. BOLAND is about 207 m long, 24 m on the beam, drawing 8.2 m.
Is JOHN J. BOLAND on the Master's Mate Safety Initiative Network?
Not yet. If JOHN J. BOLAND is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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