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
HOS Stormridge
MMSI 369589000 · Call sign WDA8996
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
73.5 m
Beam
18.3 m
Draft
6.3 m
Call sign
WDA8996
IMO
9246877
Official No.
1124421
AIS reports
1
HOS Stormridge is an American 73.5-metre working vessel. Below, she has a 18.3 m beam and a draft measuring 6.3 metres. She broadcasts as MMSI 369589000, call sign WDA8996, IMO 9246877. Working vessels like HOS Stormridge are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.
Free forever · No credit card · for working boats
Built for boats that work — like HOS Stormridge.
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 HOS Stormridge 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 HOS Stormridge 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 HOS Stormridge and switch it all on
Free to join · nothing to install to start · cancel anytime
About HOS Stormridge
What kind of vessel is HOS Stormridge?
HOS Stormridge is a Offshore Supply Vessel flagged to United States of America.
What is HOS Stormridge's MMSI?
HOS Stormridge's MMSI is 369589000. Call sign WDA8996. IMO 9246877.
How big is HOS Stormridge?
HOS Stormridge is about 73.5 m long, 18.3 m on the beam, drawing 6.3 m.
Is HOS Stormridge on the Master's Mate Safety Initiative Network?
Not yet. If HOS Stormridge is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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