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.
Tanker
SEMERU
MMSI 248417000 · Call sign 9HA4647
Not yet on Master's MateType
Tanker
Flag
MLTLength
244 m
Beam
42 m
Draft
8.2 m
Call sign
9HA4647
IMO
9388376
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
62
SEMERU is a tanker under Maltese registration, measuring 244 metres. SEMERU has a 42 m beam and a 8.2 m draft. Her papers read MMSI 248417000, call sign 9HA4647, IMO 9388376. Bring SEMERU aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on SEMERU, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
26.3313° N, 15.8993° W
Transiting the North Atlantic? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEMERU on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 SEMERU and switch it all on
Free to join · nothing to install to start · cancel anytime
About SEMERU
What kind of vessel is SEMERU?
SEMERU is a Tanker flagged to Malta.
Where was SEMERU last seen?
SEMERU was last reported in the North Atlantic in Jun 2026 on public AIS.
What is SEMERU's MMSI?
SEMERU's MMSI is 248417000. Call sign 9HA4647. IMO 9388376.
How big is SEMERU?
SEMERU is about 244 m long, 42 m on the beam, drawing 8.2 m.
Is SEMERU on the Master's Mate Safety Initiative Network?
Not yet. If SEMERU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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