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)
Clipper City
MMSI 367150670 · Call sign WDD4887
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
31.4 m
Beam
8.2 m
Draft
2.2 m
Call sign
WDD4887
Official No.
688904
AIS reports
1
An American passenger ship, Clipper City measures 31.4 metres. Her hull carries a 8.2-metre beam and a draft measuring 2.2 metres. On AIS she shows as MMSI 367150670, call sign WDD4887. Clipper City is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Clipper City 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 Clipper City 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 Clipper City 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 Clipper City and switch it all on
Free to join · nothing to install to start · cancel anytime
About Clipper City
What kind of vessel is Clipper City?
Clipper City is a Passenger (Inspected) flagged to United States of America.
What is Clipper City's MMSI?
Clipper City's MMSI is 367150670. Call sign WDD4887.
How big is Clipper City?
Clipper City is about 31.4 m long, 8.2 m on the beam, drawing 2.2 m.
Is Clipper City on the Master's Mate Safety Initiative Network?
Not yet. If Clipper City is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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