Sign up free Dashboard Log out
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

ROKKOU

Tanker · last seen 35°N 135°E · Jun 2026 · MMSI 431001111 · Call sign JD3010

Not yet on Master's Mate
Type
Tanker
Length
64 m
Beam
9 m
Draft
3.8 m
Call sign
JD3010
IMO
9554470
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6

ROKKOU is a tanker, spanning 64 metres. Below, she has a 9-metre beam and a draft measuring 3.8 metres. Her registration reads MMSI 431001111, call sign JD3010, IMO 9554470. The Master's Mate Safety Initiative Network welcomes ROKKOU — free to join, cruiser-run, and always on watch.

Free forever · No credit card · for commercial operators

Eyes on ROKKOU, 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 15, 2026 12:57 UTC
Position
34.6549° N, 135.3681° E
Status
At anchor
Speed
0.0 kn
Course
11°
Destination
>JP OSA OFF
ETA
06-15 21:00 UTC
Transiting the Sea of Japan? 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 ROKKOU 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 ROKKOU and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About ROKKOU

What kind of vessel is ROKKOU?
ROKKOU is a Tanker.
Where was ROKKOU last seen?
ROKKOU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is ROKKOU's MMSI?
ROKKOU's MMSI is 431001111. Call sign JD3010. IMO 9554470.
How big is ROKKOU?
ROKKOU is about 64 m long, 9 m on the beam, drawing 3.8 m.
Is ROKKOU on the Master's Mate Safety Initiative Network?
Not yet. If ROKKOU 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.