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
STOLT EFFORT
MMSI 319445000 · Call sign ZCSP6
Not yet on Master's MateType
Tanker
Flag
CYMLength
176 m
Beam
31 m
Draft
10.1 m
Call sign
ZCSP6
IMO
9178202
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
STOLT EFFORT, a Cayman Islands tank vessel, measures 176 metres on deck. She carries a 31-metre beam and a 10.1-metre draft. Officially she's MMSI 319445000, call sign ZCSP6, IMO 9178202. STOLT EFFORT is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on STOLT EFFORT, 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
1.2386° N, 104.0075° 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 STOLT EFFORT 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 STOLT EFFORT and switch it all on
Free to join · nothing to install to start · cancel anytime
About STOLT EFFORT
What kind of vessel is STOLT EFFORT?
STOLT EFFORT is a Tanker flagged to Cayman Islands.
Where was STOLT EFFORT last seen?
STOLT EFFORT was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is STOLT EFFORT's MMSI?
STOLT EFFORT's MMSI is 319445000. Call sign ZCSP6. IMO 9178202.
How big is STOLT EFFORT?
STOLT EFFORT is about 176 m long, 31 m on the beam, drawing 10.1 m.
Is STOLT EFFORT on the Master's Mate Safety Initiative Network?
Not yet. If STOLT EFFORT 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.