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
DING HENG 40
MMSI 477172200 · Call sign VRRV3
Not yet on Master's MateType
Tanker
Flag
HKGLength
124 m
Beam
19 m
Draft
5 m
Call sign
VRRV3
IMO
9800776
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
66
DING HENG 40 is a tanker flying the flag of Hong Kong, measuring 124 metres. DING HENG 40 has a beam of 19 m and a 5 m draft. Find her under MMSI 477172200, call sign VRRV3, IMO 9800776. Claim DING HENG 40 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on DING HENG 40, 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
1.1362° N, 103.7749° 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 DING HENG 40 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 DING HENG 40 and switch it all on
Free to join · nothing to install to start · cancel anytime
About DING HENG 40
What kind of vessel is DING HENG 40?
DING HENG 40 is a Tanker flagged to Hong Kong S.A.R..
Where was DING HENG 40 last seen?
DING HENG 40 was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is DING HENG 40's MMSI?
DING HENG 40's MMSI is 477172200. Call sign VRRV3. IMO 9800776.
How big is DING HENG 40?
DING HENG 40 is about 124 m long, 19 m on the beam, drawing 5 m.
Is DING HENG 40 on the Master's Mate Safety Initiative Network?
Not yet. If DING HENG 40 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.