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
BO
MMSI 218041400 · Call sign DKOJ2
Not yet on Master's MateType
Tug
Flag
DEULength
25 m
Beam
12 m
Draft
6.1 m
Call sign
DKOJ2
IMO
9981946
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
60
BO, a German working tug, measures 25 metres on deck. BO has a 12-metre beam and a 6.1-metre draft. She's listed under MMSI 218041400, call sign DKOJ2, IMO 9981946. BO belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for working boats
Built for boats that work — like BO.
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 9, 2026 08:05 UTC
Position
53.8880° N, 9.1827° E
Status
Moored
Speed
0.0 kn
Course
140°
Destination
BRUNSBUTTEL
ETA
04-07 10:30 UTC
Working the North Sea? 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BO 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 BO and switch it all on
Free to join · nothing to install to start · cancel anytime
About BO
What kind of vessel is BO?
BO is a Tug flagged to Germany.
Where was BO last seen?
BO was last reported in the North Sea in Jun 2026 on public AIS.
What is BO's MMSI?
BO's MMSI is 218041400. Call sign DKOJ2. IMO 9981946.
How big is BO?
BO is about 25 m long, 12 m on the beam, drawing 6.1 m.
Is BO on the Master's Mate Safety Initiative Network?
Not yet. If BO 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.