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
DEEP STIM
MMSI 366738660 · Call sign WCX6477
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
76 m
Beam
17.1 m
Draft
5.7 m
Call sign
WCX6477
IMO
9132258
Official No.
1053960
AIS reports
1
Registered in the United States, DEEP STIM is a 76-metre work boat. Below, she has a beam measuring 17.1 metres and a draft measuring 5.7 metres. She broadcasts as MMSI 366738660, call sign WCX6477, IMO 9132258. Put DEEP STIM on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.
Free forever · No credit card · for working boats
Built for boats that work — like DEEP STIM.
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 DEEP STIM 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 DEEP STIM 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 DEEP STIM and switch it all on
Free to join · nothing to install to start · cancel anytime
About DEEP STIM
What kind of vessel is DEEP STIM?
DEEP STIM is a Offshore Supply Vessel flagged to United States of America.
What is DEEP STIM's MMSI?
DEEP STIM's MMSI is 366738660. Call sign WCX6477. IMO 9132258.
How big is DEEP STIM?
DEEP STIM is about 76 m long, 17.1 m on the beam, drawing 5.7 m.
Is DEEP STIM on the Master's Mate Safety Initiative Network?
Not yet. If DEEP STIM is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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