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.
Passenger
SARPEDON
MMSI 235056272 · Call sign MTQN5
Not yet on Master's MateType
Passenger
Flag
GBRLength
35 m
Beam
9 m
Call sign
MTQN5
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
50
SARPEDON is a British passenger craft — 35 metres overall. She has a beam measuring 9 metres. Look for MMSI 235056272, call sign MTQN5. SARPEDON carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SARPEDON 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 9, 2026 13:03 UTC
Position
51.5082° N, 0.0359° W
Status
Under way (engine)
Speed
7.3 kn
Course
286°
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.
Free with your claim · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SARPEDON 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 SARPEDON and switch it all on
Free to join · nothing to install to start · cancel anytime
About SARPEDON
What kind of vessel is SARPEDON?
SARPEDON is a Passenger flagged to United Kingdom.
Where was SARPEDON last seen?
SARPEDON was last reported in the North Sea in Jun 2026 on public AIS.
What is SARPEDON's MMSI?
SARPEDON's MMSI is 235056272. Call sign MTQN5.
How big is SARPEDON?
SARPEDON is about 35 m long, 9 m on the beam.
Is SARPEDON on the Master's Mate Safety Initiative Network?
Not yet. If SARPEDON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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