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.
Military
HMS SEVERN
MMSI 234623000 · Call sign GBSK
Not yet on Master's MateType
Military
Flag
GBRLength
80 m
Beam
14 m
Draft
5 m
Call sign
GBSK
IMO
9261334
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
14
Registered in the United Kingdom, HMS SEVERN is an 80-metre vessel. Below, she has 14 metres in the beam and a draft of 5 m. Find her under MMSI 234623000, call sign GBSK, IMO 9261334. Bring HMS SEVERN aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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Is HMS SEVERN your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 2, 2026
Position
51.2432° N, 1.8528° E
Crossing the North Sea? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HMS SEVERN on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim HMS SEVERN and switch it all on
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About HMS SEVERN
What kind of vessel is HMS SEVERN?
HMS SEVERN is a Military flagged to United Kingdom.
Where was HMS SEVERN last seen?
HMS SEVERN was last reported in the North Sea in Jun 2026 on public AIS.
What is HMS SEVERN's MMSI?
HMS SEVERN's MMSI is 234623000. Call sign GBSK. IMO 9261334.
How big is HMS SEVERN?
HMS SEVERN is about 80 m long, 14 m on the beam, drawing 5 m.
Is HMS SEVERN on the Master's Mate Safety Initiative Network?
Not yet. If HMS SEVERN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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