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.
Recreational
SURPRISE
MMSI 367316240 · Call sign WDD9779
Not yet on Master's MateType
Recreational
Flag
USALength
11.1 m
Beam
3.7 m
Draft
2 m
Call sign
WDD9779
Official No.
639871
AIS reports
1
SURPRISE, a recreational vessel listed on the the United States registry, measures 11.1 metres on deck. Her hull carries a 3.7 m beam and a draft measuring 2 metres. She's on record as MMSI 367316240, call sign WDD9779. Claim SURPRISE free and let the Master's Mate Safety Initiative Network keep an eye on her, on the water or off.
Free forever · No credit card · for recreational captains
Keep SURPRISE looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever SURPRISE 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SURPRISE on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SURPRISE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SURPRISE
What kind of vessel is SURPRISE?
SURPRISE is a Recreational flagged to United States of America.
What is SURPRISE's MMSI?
SURPRISE's MMSI is 367316240. Call sign WDD9779.
How big is SURPRISE?
SURPRISE is about 11.1 m long, 3.7 m on the beam, drawing 2 m.
Is SURPRISE on the Master's Mate Safety Initiative Network?
Not yet. If SURPRISE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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