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.
Cargo
BOYM
Cargo · last seen 35°N 129°E · Jun 2026 · MMSI 636023197 · Call sign 5LMN3
Not yet on Master's MateType
Cargo
Length
200 m
Beam
33 m
Draft
10.9 m
Call sign
5LMN3
IMO
9990179
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
9
BOYM is a cargo vessel, 200 metres overall. She's built with 33 metres in the beam and a 10.9-metre draft. Her registration reads MMSI 636023197, call sign 5LMN3, IMO 9990179. The Master's Mate Safety Initiative Network welcomes BOYM — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for commercial operators
Eyes on BOYM, 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 11:03 UTC
Position
35.4199° N, 129.4407° E
Status
At anchor
Speed
0.2 kn
Course
80°
Destination
KR USN
ETA
06-06 18:00 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 BOYM 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 BOYM and switch it all on
Free to join · nothing to install to start · cancel anytime
About BOYM
What kind of vessel is BOYM?
BOYM is a Cargo.
Where was BOYM last seen?
BOYM was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is BOYM's MMSI?
BOYM's MMSI is 636023197. Call sign 5LMN3. IMO 9990179.
How big is BOYM?
BOYM is about 200 m long, 33 m on the beam, drawing 10.9 m.
Is BOYM on the Master's Mate Safety Initiative Network?
Not yet. If BOYM 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.