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
EC 639
MMSI 416000171 · Call sign BP3011
Not yet on Master's MateType
Tug
Flag
TWNLength
30 m
Beam
11 m
Draft
4.5 m
Call sign
BP3011
IMO
8877291
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
EC 639 is a 30-metre tug registered in Taiwan. She has 11 metres in the beam and a draft measuring 4.5 metres. On AIS she shows as MMSI 416000171, call sign BP3011, IMO 8877291. There's a place for EC 639 on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like EC 639.
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
Last known position · Jun 4, 2026
Position
25.1157° N, 121.1264° E
Working the East China Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put EC 639 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 EC 639 and switch it all on
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About EC 639
What kind of vessel is EC 639?
EC 639 is a Tug flagged to Taiwan.
Where was EC 639 last seen?
EC 639 was last reported in the East China Sea in Jun 2026 on public AIS.
What is EC 639's MMSI?
EC 639's MMSI is 416000171. Call sign BP3011. IMO 8877291.
How big is EC 639?
EC 639 is about 30 m long, 11 m on the beam, drawing 4.5 m.
Is EC 639 on the Master's Mate Safety Initiative Network?
Not yet. If EC 639 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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