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.
Offshore Supply Vessel
Valkyrie
Offshore Supply Vessel · United States of America · MMSI 303177000 · Call sign WDQ3237
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
91.2 m
Beam
18.3 m
Draft
7.3 m
Call sign
WDQ3237
IMO
9530008
Official No.
973968
AIS reports
8
Valkyrie is an utility boat listed on the the United States registry, 91.2 metres from stem to stern. Valkyrie has a beam of 18.3 m and a 7.3-metre draft. Find her under MMSI 303177000, call sign WDQ3237, IMO 9530008. Join Valkyrie to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like Valkyrie.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Valkyrie 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Valkyrie on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 Valkyrie and switch it all on
Free to join · nothing to install to start · cancel anytime
About Valkyrie
What kind of vessel is Valkyrie?
Valkyrie is a Offshore Supply Vessel flagged to United States of America.
What is Valkyrie's MMSI?
Valkyrie's MMSI is 303177000. Call sign WDQ3237. IMO 9530008.
How big is Valkyrie?
Valkyrie is about 91.2 m long, 18.3 m on the beam, drawing 7.3 m.
Is Valkyrie on the Master's Mate Safety Initiative Network?
Not yet. If Valkyrie is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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