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.
Diving
MAH JONG
Diving · last seen 51°N 3°E · Jun 2026 · MMSI 205917100 · Call sign OS9171
Not yet on Master's MateType
Diving
Length
11 m
Beam
4 m
Draft
2 m
Call sign
OS9171
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
MAH JONG is a vessel, measuring 11 metres. MAH JONG has a beam of 4 m and a 2 m draft. Her registration reads MMSI 205917100, call sign OS9171. MAH JONG is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card
Is MAH JONG your boat?
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.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 17:02 UTC
Position
51.2456° N, 2.9114° E
Status
Under way (engine)
Speed
16.0 kn
Course
140°
Destination
OOSTENDE
ETA
08-04 16:30 UTC
Crossing 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MAH JONG 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 MAH JONG and switch it all on
Free to join · nothing to install to start · cancel anytime
About MAH JONG
What kind of vessel is MAH JONG?
MAH JONG is a Diving.
Where was MAH JONG last seen?
MAH JONG was last reported in the North Sea in Jun 2026 on public AIS.
What is MAH JONG's MMSI?
MAH JONG's MMSI is 205917100. Call sign OS9171.
How big is MAH JONG?
MAH JONG is about 11 m long, 4 m on the beam, drawing 2 m.
Is MAH JONG on the Master's Mate Safety Initiative Network?
Not yet. If MAH JONG is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.