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.
Recreational
O 23
MMSI 367712210 · Call sign WDI5797
Not yet on Master's MateType
Recreational
Flag
USALength
15.3 m
Beam
7.4 m
Draft
4.1 m
Call sign
WDI5797
Official No.
1266782
Hull ID
HQZ00002J718
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
42
O 23, an American leisure boat, measures 15.3 metres on deck. She's built with 7.4 metres in the beam and a 4.1-metre draft. On AIS she appears as MMSI 367712210, call sign WDI5797. Give O 23 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for recreational captains
Keep O 23 looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 04:00 UTC
Position
37.4066° N, 23.0591° E
Status
Under way (engine)
Speed
6.2 kn
Course
36°
Cruising the Aegean 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put O 23 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
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.
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 O 23 and switch it all on
Free to join · nothing to install to start · cancel anytime
About O 23
What kind of vessel is O 23?
O 23 is a Recreational flagged to United States of America.
Where was O 23 last seen?
O 23 was last reported in the Aegean Sea in Jun 2026 on public AIS.
What is O 23's MMSI?
O 23's MMSI is 367712210. Call sign WDI5797.
How big is O 23?
O 23 is about 15.3 m long, 7.4 m on the beam, drawing 4.1 m.
Is O 23 on the Master's Mate Safety Initiative Network?
Not yet. If O 23 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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