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
GRACE SULPHUR
MMSI 352972000 · Call sign 3EYQ5
Not yet on Master's MateType
Tanker
Flag
PANLength
89 m
Beam
14 m
Draft
4.7 m
Call sign
3EYQ5
IMO
9552678
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
16
GRACE SULPHUR is a tanker under Panamanian registration, spanning 89 metres. Below, she has a beam measuring 14 metres and a draft measuring 4.7 metres. She broadcasts as MMSI 352972000, call sign 3EYQ5, IMO 9552678. Add GRACE SULPHUR to the Master's Mate Safety Initiative Network and share the water with a fleet that's paying attention — free.
Free forever · No credit card · for commercial operators
Eyes on GRACE SULPHUR, 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 2, 2026
Position
35.5315° N, 139.9834° E
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 GRACE SULPHUR 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 GRACE SULPHUR and switch it all on
Free to join · nothing to install to start · cancel anytime
About GRACE SULPHUR
What kind of vessel is GRACE SULPHUR?
GRACE SULPHUR is a Tanker flagged to Panama.
Where was GRACE SULPHUR last seen?
GRACE SULPHUR was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is GRACE SULPHUR's MMSI?
GRACE SULPHUR's MMSI is 352972000. Call sign 3EYQ5. IMO 9552678.
How big is GRACE SULPHUR?
GRACE SULPHUR is about 89 m long, 14 m on the beam, drawing 4.7 m.
Is GRACE SULPHUR on the Master's Mate Safety Initiative Network?
Not yet. If GRACE SULPHUR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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