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)
RILEY CLAIRE
MMSI 367631960 · Call sign WDH5837
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
48.5 m
Beam
9.1 m
Draft
1.3 m
Call sign
WDH5837
IMO
9759379
Official No.
1254467
AIS reports
1
On the American registry, RILEY CLAIRE is a 48.5-metre excursion vessel. She carries a 9.1 m beam and a 1.3-metre draft. On AIS she shows as MMSI 367631960, call sign WDH5837, IMO 9759379. Join RILEY CLAIRE to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard RILEY CLAIRE 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 RILEY CLAIRE 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 RILEY CLAIRE 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 RILEY CLAIRE and switch it all on
Free to join · nothing to install to start · cancel anytime
About RILEY CLAIRE
What kind of vessel is RILEY CLAIRE?
RILEY CLAIRE is a Passenger (Inspected) flagged to United States of America.
What is RILEY CLAIRE's MMSI?
RILEY CLAIRE's MMSI is 367631960. Call sign WDH5837. IMO 9759379.
How big is RILEY CLAIRE?
RILEY CLAIRE is about 48.5 m long, 9.1 m on the beam, drawing 1.3 m.
Is RILEY CLAIRE on the Master's Mate Safety Initiative Network?
Not yet. If RILEY CLAIRE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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