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.
Tanker
PROTEUS STEPHANIE
MMSI 563163100 · Call sign 9V8173
Not yet on Master's MateType
Tanker
Flag
SGPLength
250 m
Beam
44 m
Draft
12.3 m
Call sign
9V8173
IMO
9914694
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
61
PROTEUS STEPHANIE is a tank ship flying the Singaporean flag, spanning 250 metres. Her hull carries a 44-metre beam and a draft measuring 12.3 metres. She broadcasts as MMSI 563163100, call sign 9V8173, IMO 9914694. Put PROTEUS STEPHANIE on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on PROTEUS STEPHANIE, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 18:49 UTC
Position
36.9095° N, 122.9932° W
Status
Under way (engine)
Speed
0.7 kn
Course
101°
Destination
US RCH
ETA
06-24 00:01 UTC
Wherever PROTEUS STEPHANIE 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put PROTEUS STEPHANIE on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 PROTEUS STEPHANIE and switch it all on
Free to join · nothing to install to start · cancel anytime
About PROTEUS STEPHANIE
What kind of vessel is PROTEUS STEPHANIE?
PROTEUS STEPHANIE is a Tanker flagged to Singapore.
Where was PROTEUS STEPHANIE last seen?
PROTEUS STEPHANIE was last reported in around 45°N 127°W in Jun 2026 on public AIS.
What is PROTEUS STEPHANIE's MMSI?
PROTEUS STEPHANIE's MMSI is 563163100. Call sign 9V8173. IMO 9914694.
How big is PROTEUS STEPHANIE?
PROTEUS STEPHANIE is about 250 m long, 44 m on the beam, drawing 12.3 m.
Is PROTEUS STEPHANIE on the Master's Mate Safety Initiative Network?
Not yet. If PROTEUS STEPHANIE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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