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.
Research Vessel
Stryker
MMSI 367074890 · Call sign WDQ4303
Not yet on Master's MateType
Research Vessel
Flag
USALength
34 m
Beam
9.2 m
Draft
2.1 m
Call sign
WDQ4303
Official No.
637873
AIS reports
2
Stryker is a boat flying the American flag, spanning 34 metres. Below, she has a beam measuring 9.2 metres and a draft measuring 2.1 metres. Look for MMSI 367074890, call sign WDQ4303. Stryker belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is Stryker your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Stryker roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put Stryker 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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 Stryker and switch it all on
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About Stryker
What kind of vessel is Stryker?
Stryker is a Research Vessel flagged to United States of America.
What is Stryker's MMSI?
Stryker's MMSI is 367074890. Call sign WDQ4303.
How big is Stryker?
Stryker is about 34 m long, 9.2 m on the beam, drawing 2.1 m.
Is Stryker on the Master's Mate Safety Initiative Network?
Not yet. If Stryker is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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