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
Stingray
MMSI 366963210 · Call sign WDB8717
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
21.8 m
Beam
12.8 m
Draft
2.1 m
Call sign
WDB8717
IMO
7942764
Official No.
603825
AIS reports
1
Out of the United States, Stingray is a 21.8-metre working craft. She has a 12.8-metre beam and a draft of 2.1 m. Her papers read MMSI 366963210, call sign WDB8717, IMO 7942764. There's a place for Stingray on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like Stingray.
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 Stingray 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 Stingray 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 Stingray and switch it all on
Free to join · nothing to install to start · cancel anytime
About Stingray
What kind of vessel is Stingray?
Stingray is a Offshore Supply Vessel flagged to United States of America.
What is Stingray's MMSI?
Stingray's MMSI is 366963210. Call sign WDB8717. IMO 7942764.
How big is Stingray?
Stingray is about 21.8 m long, 12.8 m on the beam, drawing 2.1 m.
Is Stingray on the Master's Mate Safety Initiative Network?
Not yet. If Stingray is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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