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.
Passenger (Inspected)
FRIENDSHIP IV
MMSI 366707230 · Call sign WCV9181
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
24.5 m
Beam
9.1 m
Draft
3 m
Call sign
WCV9181
Official No.
1020565
AIS reports
1
FRIENDSHIP IV flies the American flag — a 24.5-metre passenger ship. Her hull carries a 9.1 m beam and a draft measuring 3 metres. Find her under MMSI 366707230, call sign WCV9181. FRIENDSHIP IV 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 passenger & charter operators
Keep every soul aboard FRIENDSHIP IV safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever FRIENDSHIP IV 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put FRIENDSHIP IV on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 FRIENDSHIP IV and switch it all on
Free to join · nothing to install to start · cancel anytime
About FRIENDSHIP IV
What kind of vessel is FRIENDSHIP IV?
FRIENDSHIP IV is a Passenger (Inspected) flagged to United States of America.
What is FRIENDSHIP IV's MMSI?
FRIENDSHIP IV's MMSI is 366707230. Call sign WCV9181.
How big is FRIENDSHIP IV?
FRIENDSHIP IV is about 24.5 m long, 9.1 m on the beam, drawing 3 m.
Is FRIENDSHIP IV on the Master's Mate Safety Initiative Network?
Not yet. If FRIENDSHIP IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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