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.
Tug
RUPERT BEST
MMSI 232033439 · Call sign MIRQ9
Not yet on Master's MateType
Tug
Flag
GBRLength
22 m
Beam
11 m
Draft
4.8 m
Call sign
MIRQ9
IMO
9875848
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
RUPERT BEST is a British tugboat, 22 metres in length. She's built with a beam of 11 m and a 4.8 m draft. Her registration reads MMSI 232033439, call sign MIRQ9, IMO 9875848. RUPERT BEST is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for working boats
Built for boats that work — like RUPERT BEST.
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
Live AIS position · Jun 9, 2026 14:39 UTC
Position
50.5696° N, 2.4377° W
Status
Moored
Speed
0.0 kn
Course
203°
Destination
PORTLAND:
ETA
05-18 12:00 UTC
Working the English Channel? 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 RUPERT BEST 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 RUPERT BEST and switch it all on
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About RUPERT BEST
What kind of vessel is RUPERT BEST?
RUPERT BEST is a Tug flagged to United Kingdom.
Where was RUPERT BEST last seen?
RUPERT BEST was last reported in the English Channel in Jun 2026 on public AIS.
What is RUPERT BEST's MMSI?
RUPERT BEST's MMSI is 232033439. Call sign MIRQ9. IMO 9875848.
How big is RUPERT BEST?
RUPERT BEST is about 22 m long, 11 m on the beam, drawing 4.8 m.
Is RUPERT BEST on the Master's Mate Safety Initiative Network?
Not yet. If RUPERT BEST is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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