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.
Towing Vessel
JMC 929
MMSI 367085830 · Call sign WDC8360
Not yet on Master's MateType
Towing Vessel
Flag
USALength
17.6 m
Beam
6 m
Draft
2.5 m
Call sign
WDC8360
Official No.
956128
AIS reports
1
An American service vessel, JMC 929 measures 17.6 metres. JMC 929 has 6 metres in the beam and a 2.5 m draft. Her papers read MMSI 367085830, call sign WDC8360. JMC 929 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for working boats
Built for boats that work — like JMC 929.
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 JMC 929 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 JMC 929 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 JMC 929 and switch it all on
Free to join · nothing to install to start · cancel anytime
About JMC 929
What kind of vessel is JMC 929?
JMC 929 is a Towing Vessel flagged to United States of America.
What is JMC 929's MMSI?
JMC 929's MMSI is 367085830. Call sign WDC8360.
How big is JMC 929?
JMC 929 is about 17.6 m long, 6 m on the beam, drawing 2.5 m.
Is JMC 929 on the Master's Mate Safety Initiative Network?
Not yet. If JMC 929 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.