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
MAMO
MMSI 367151240 · Call sign WCZ5700
Not yet on Master's MateType
Towing Vessel
Flag
USALength
23.8 m
Beam
8.5 m
Draft
3.4 m
Call sign
WCZ5700
IMO
9145190
Official No.
1046429
AIS reports
1
MAMO, a harbour workboat under the American flag, measures 23.8 metres on deck. Her hull carries a 8.5-metre beam and a draft of 3.4 m. On the registers she's MMSI 367151240, call sign WCZ5700, IMO 9145190. MAMO earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like MAMO.
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 MAMO 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 MAMO 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 MAMO and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAMO
What kind of vessel is MAMO?
MAMO is a Towing Vessel flagged to United States of America.
What is MAMO's MMSI?
MAMO's MMSI is 367151240. Call sign WCZ5700. IMO 9145190.
How big is MAMO?
MAMO is about 23.8 m long, 8.5 m on the beam, drawing 3.4 m.
Is MAMO on the Master's Mate Safety Initiative Network?
Not yet. If MAMO 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.