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
HELOISE
MMSI 533110736 · Call sign 9M3841
Not yet on Master's MateType
Tanker
Flag
MYSLength
117 m
Beam
17 m
Draft
6.8 m
Call sign
9M3841
IMO
1074852
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
55
On the Malaysian registry, HELOISE is an 117-metre tank vessel. She carries a beam measuring 17 metres and a 6.8-metre draft. Find her under MMSI 533110736, call sign 9M3841, IMO 1074852. HELOISE can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on HELOISE, 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 3, 2026
Position
1.2840° N, 103.7303° E
Transiting 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HELOISE 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 HELOISE and switch it all on
Free to join · nothing to install to start · cancel anytime
About HELOISE
What kind of vessel is HELOISE?
HELOISE is a Tanker flagged to Malaysia.
Where was HELOISE last seen?
HELOISE was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is HELOISE's MMSI?
HELOISE's MMSI is 533110736. Call sign 9M3841. IMO 1074852.
How big is HELOISE?
HELOISE is about 117 m long, 17 m on the beam, drawing 6.8 m.
Is HELOISE on the Master's Mate Safety Initiative Network?
Not yet. If HELOISE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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