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.
Sailing
OPTIMIST
MMSI 232055159 · Call sign MPGK3
Not yet on Master's MateType
Sailing
Flag
GBRLength
24 m
Beam
6 m
Call sign
MPGK3
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
170
On the British registry, OPTIMIST is a 24-metre cruising sailboat. OPTIMIST has 6 metres in the beam. On AIS she appears as MMSI 232055159, call sign MPGK3. OPTIMIST belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard OPTIMIST.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 14:08 UTC
Position
40.8143° N, 10.5290° E
Status
Under way (engine)
Speed
7.5 kn
Course
119°
Sailing the Tyrrhenian 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 cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put OPTIMIST 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
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.
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.
Claim OPTIMIST and switch it all on
Free to join · nothing to install to start · cancel anytime
About OPTIMIST
What kind of vessel is OPTIMIST?
OPTIMIST is a Sailing flagged to United Kingdom.
Where was OPTIMIST last seen?
OPTIMIST was last reported in the Tyrrhenian Sea in Jun 2026 on public AIS.
What is OPTIMIST's MMSI?
OPTIMIST's MMSI is 232055159. Call sign MPGK3.
How big is OPTIMIST?
OPTIMIST is about 24 m long, 6 m on the beam.
Is OPTIMIST on the Master's Mate Safety Initiative Network?
Not yet. If OPTIMIST is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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