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.
Offshore Supply Vessel
Mr. Jessie
MMSI 366282000 · Call sign WDM7125
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
79.3 m
Beam
17.1 m
Draft
5.7 m
Call sign
WDM7125
IMO
9132208
Official No.
1047946
AIS reports
4
Mr. Jessie, a working craft hailing from the United States, measures 79.3 metres on deck. Below, she has a beam of 17.1 m and a draft of 5.7 m. She's listed under MMSI 366282000, call sign WDM7125, IMO 9132208. The Master's Mate Safety Initiative Network welcomes Mr. Jessie — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like Mr. Jessie.
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
Wherever Mr. Jessie roams, 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 Mr. Jessie 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 Mr. Jessie and switch it all on
Free to join · nothing to install to start · cancel anytime
About Mr. Jessie
What kind of vessel is Mr. Jessie?
Mr. Jessie is a Offshore Supply Vessel flagged to United States of America.
What is Mr. Jessie's MMSI?
Mr. Jessie's MMSI is 366282000. Call sign WDM7125. IMO 9132208.
How big is Mr. Jessie?
Mr. Jessie is about 79.3 m long, 17.1 m on the beam, drawing 5.7 m.
Is Mr. Jessie on the Master's Mate Safety Initiative Network?
Not yet. If Mr. Jessie is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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