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Tug
TENRYU MARU
Tug · last seen 35°N 140°E · Jun 2026 · MMSI 431029817 · Call sign JD5668
Not yet on Master's MateType
Tug
Length
38 m
Beam
10 m
Draft
3 m
Call sign
JD5668
IMO
1173309
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
1
TENRYU MARU is a harbour tug, 38 metres long. She has a beam of 10 m and a draft of 3 m. Find her under MMSI 431029817, call sign JD5668, IMO 1173309. Join TENRYU MARU to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Last known position · Jun 15, 2026
Position
35.4532° N, 139.6756° E
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Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
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Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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About TENRYU MARU
What kind of vessel is TENRYU MARU?
TENRYU MARU is a Tug.
Where was TENRYU MARU last seen?
TENRYU MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is TENRYU MARU's MMSI?
TENRYU MARU's MMSI is 431029817. Call sign JD5668. IMO 1173309.
How big is TENRYU MARU?
TENRYU MARU is about 38 m long, 10 m on the beam, drawing 3 m.
Is TENRYU MARU on the Master's Mate Safety Initiative Network?
Not yet. If TENRYU MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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