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
OAKTREE
MMSI 636024243 · Call sign 5LRR3
Not yet on Master's MateType
Tanker
Flag
LBRLength
182 m
Beam
32 m
Draft
11.6 m
Call sign
5LRR3
IMO
9384021
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
79
OAKTREE, a tank ship under Liberian registration, measures 182 metres on deck. She's built with a beam of 32 m and a 11.6 m draft. On the registers she's MMSI 636024243, call sign 5LRR3, IMO 9384021. The Master's Mate Safety Initiative Network welcomes OAKTREE — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for commercial operators
Eyes on OAKTREE, 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
Live AIS position · Jun 9, 2026 06:14 UTC
Position
1.2222° N, 103.8187° E
Status
At anchor
Speed
0.0 kn
Course
221°
Destination
SGSIN PWBGA
ETA
06-09 00:45 UTC
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 OAKTREE 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 OAKTREE and switch it all on
Free to join · nothing to install to start · cancel anytime
About OAKTREE
What kind of vessel is OAKTREE?
OAKTREE is a Tanker flagged to Liberia.
Where was OAKTREE last seen?
OAKTREE was last reported in the Strait of Malacca in Jun 2026 on public AIS.
What is OAKTREE's MMSI?
OAKTREE's MMSI is 636024243. Call sign 5LRR3. IMO 9384021.
How big is OAKTREE?
OAKTREE is about 182 m long, 32 m on the beam, drawing 11.6 m.
Is OAKTREE on the Master's Mate Safety Initiative Network?
Not yet. If OAKTREE 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.