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.
High-speed Craft
HST PLYMOUTH
MMSI 232048136 · Call sign MAXB7
Not yet on Master's MateType
High-speed Craft
Flag
GBRLength
28 m
Beam
9 m
Draft
1.5 m
Call sign
MAXB7
IMO
9985100
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
HST PLYMOUTH is an excursion vessel under the British flag, 28 metres from stem to stern. She's built with a 9-metre beam and a 1.5-metre draft. On AIS she shows as MMSI 232048136, call sign MAXB7, IMO 9985100. Keep every soul aboard HST PLYMOUTH covered with the free Master's Mate Safety Initiative Network.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard HST PLYMOUTH 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
Live AIS position · Jun 10, 2026 01:38 UTC
Position
52.4597° N, 4.5890° E
Status
Moored
Speed
0.0 kn
Course
195°
Destination
NLIJM
ETA
06-09 17:00 UTC
Sailing 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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Joining the Safety Initiative Network doesn't just put HST PLYMOUTH 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 HST PLYMOUTH and switch it all on
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About HST PLYMOUTH
What kind of vessel is HST PLYMOUTH?
HST PLYMOUTH is a High-speed Craft flagged to United Kingdom.
Where was HST PLYMOUTH last seen?
HST PLYMOUTH was last reported in the North Sea in Jun 2026 on public AIS.
What is HST PLYMOUTH's MMSI?
HST PLYMOUTH's MMSI is 232048136. Call sign MAXB7. IMO 9985100.
How big is HST PLYMOUTH?
HST PLYMOUTH is about 28 m long, 9 m on the beam, drawing 1.5 m.
Is HST PLYMOUTH on the Master's Mate Safety Initiative Network?
Not yet. If HST PLYMOUTH is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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