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
Harvey Raven
MMSI 367408720 · Call sign WDG8827
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
81 m
Beam
16.5 m
Draft
5.2 m
Call sign
WDG8827
IMO
9563225
Official No.
1219327
AIS reports
4
On the American registry, Harvey Raven is an 81-metre workboat. She carries a beam measuring 16.5 metres and a 5.2 m draft. Officially she's MMSI 367408720, call sign WDG8827, IMO 9563225. Harvey Raven can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for working boats
Built for boats that work — like Harvey Raven.
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 Harvey Raven 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 Harvey Raven 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 Harvey Raven and switch it all on
Free to join · nothing to install to start · cancel anytime
About Harvey Raven
What kind of vessel is Harvey Raven?
Harvey Raven is a Offshore Supply Vessel flagged to United States of America.
What is Harvey Raven's MMSI?
Harvey Raven's MMSI is 367408720. Call sign WDG8827. IMO 9563225.
How big is Harvey Raven?
Harvey Raven is about 81 m long, 16.5 m on the beam, drawing 5.2 m.
Is Harvey Raven on the Master's Mate Safety Initiative Network?
Not yet. If Harvey Raven is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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