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.
Cargo
SHEERNESS
MMSI 256422000 · Call sign 9HA5831
Not yet on Master's MateType
Cargo
Flag
MLTLength
179 m
Beam
30 m
Draft
10.5 m
Call sign
9HA5831
IMO
9991616
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
SHEERNESS is a freighter flying the flag of Malta, 179 metres long. Her hull carries a beam of 30 m and a draft of 10.5 m. Her papers read MMSI 256422000, call sign 9HA5831, IMO 9991616. Bring SHEERNESS 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 SHEERNESS, 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
1.2897° N, 103.9498° 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 SHEERNESS 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 SHEERNESS and switch it all on
Free to join · nothing to install to start · cancel anytime
About SHEERNESS
What kind of vessel is SHEERNESS?
SHEERNESS is a Cargo flagged to Malta.
Where was SHEERNESS last seen?
SHEERNESS was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is SHEERNESS's MMSI?
SHEERNESS's MMSI is 256422000. Call sign 9HA5831. IMO 9991616.
How big is SHEERNESS?
SHEERNESS is about 179 m long, 30 m on the beam, drawing 10.5 m.
Is SHEERNESS on the Master's Mate Safety Initiative Network?
Not yet. If SHEERNESS 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.