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.
Tug
HOOH MARU
Tug · last seen 35°N 135°E · Jun 2026 · MMSI 431008315 · Call sign JD4062
Not yet on Master's MateType
Tug
Length
38 m
Beam
10 m
Draft
4 m
Call sign
JD4062
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
6
HOOH MARU is a working tug, 38 metres overall. She's built with a 10 m beam and a 4-metre draft. She's on record as MMSI 431008315, call sign JD4062. HOOH MARU can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like HOOH MARU.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 14:22 UTC
Position
34.6359° N, 135.4135° E
Status
Under way (engine)
Speed
0.1 kn
Course
283°
Destination
>JP OSA
ETA
06-01 04:00 UTC
Working the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put HOOH MARU on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 HOOH MARU and switch it all on
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About HOOH MARU
What kind of vessel is HOOH MARU?
HOOH MARU is a Tug.
Where was HOOH MARU last seen?
HOOH MARU was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is HOOH MARU's MMSI?
HOOH MARU's MMSI is 431008315. Call sign JD4062.
How big is HOOH MARU?
HOOH MARU is about 38 m long, 10 m on the beam, drawing 4 m.
Is HOOH MARU on the Master's Mate Safety Initiative Network?
Not yet. If HOOH MARU is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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