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.
Tug
SD DIAMOND
MMSI 525018038 · Call sign YDA3196
Not yet on Master's MateType
Tug
Flag
IDNLength
23 m
Draft
3.2 m
Call sign
YDA3196
IMO
9664811
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
60
On the Indonesian registry, SD DIAMOND is a 23-metre working tug. SD DIAMOND has a 3.2-metre draft. She's listed under MMSI 525018038, call sign YDA3196, IMO 9664811. Bring SD DIAMOND aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like SD DIAMOND.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
1.2262° N, 103.8716° E
Working the Strait of Malacca? 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SD DIAMOND on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 SD DIAMOND and switch it all on
Free to join · nothing to install to start · cancel anytime
About SD DIAMOND
What kind of vessel is SD DIAMOND?
SD DIAMOND is a Tug flagged to Indonesia.
Where was SD DIAMOND last seen?
SD DIAMOND was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is SD DIAMOND's MMSI?
SD DIAMOND's MMSI is 525018038. Call sign YDA3196. IMO 9664811.
How big is SD DIAMOND?
SD DIAMOND is about 23 m long, drawing 3.2 m.
Is SD DIAMOND on the Master's Mate Safety Initiative Network?
Not yet. If SD DIAMOND is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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