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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

RFA PROTEUS

MMSI 232047056 · Call sign GPTU

Not yet on Master's Mate
Type
Military
Flag
GBRGBR
Length
98 m
Beam
20 m
Call sign
GPTU
IMO
9792539
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87

RFA PROTEUS is a British craft — 98 metres overall. She's built with a 20 m beam. Look for MMSI 232047056, call sign GPTU, IMO 9792539. RFA PROTEUS can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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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.

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Live AIS position · Jun 9, 2026 12:26 UTC
Position
50.5719° N, 2.4407° W
Status
Moored
Speed
0.3 kn
Course
315°
Destination
N/A
ETA
01-01 00:00 UTC
Crossing the English Channel? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put RFA PROTEUS 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 RFA PROTEUS and switch it all on
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About RFA PROTEUS

What kind of vessel is RFA PROTEUS?
RFA PROTEUS is a Military flagged to United Kingdom.
Where was RFA PROTEUS last seen?
RFA PROTEUS was last reported in the English Channel in Jun 2026 on public AIS.
What is RFA PROTEUS's MMSI?
RFA PROTEUS's MMSI is 232047056. Call sign GPTU. IMO 9792539.
How big is RFA PROTEUS?
RFA PROTEUS is about 98 m long, 20 m on the beam.
Is RFA PROTEUS on the Master's Mate Safety Initiative Network?
Not yet. If RFA PROTEUS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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