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)
SEA SCREAMER
MMSI 368254390 · Call sign WDM9618
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
19.8 m
Beam
5.8 m
Draft
2.7 m
Call sign
WDM9618
Official No.
1323849
AIS reports
1
Out of the United States, SEA SCREAMER is a 19.8-metre passenger vessel. She carries a beam measuring 5.8 metres and a 2.7 m draft. She broadcasts as MMSI 368254390, call sign WDM9618. SEA SCREAMER 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 SEA SCREAMER 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 SEA SCREAMER 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 SEA SCREAMER 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 SEA SCREAMER and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEA SCREAMER
What kind of vessel is SEA SCREAMER?
SEA SCREAMER is a Passenger (Inspected) flagged to United States of America.
What is SEA SCREAMER's MMSI?
SEA SCREAMER's MMSI is 368254390. Call sign WDM9618.
How big is SEA SCREAMER?
SEA SCREAMER is about 19.8 m long, 5.8 m on the beam, drawing 2.7 m.
Is SEA SCREAMER on the Master's Mate Safety Initiative Network?
Not yet. If SEA SCREAMER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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