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.
Pilot
KNAB
MMSI 235034995 · Call sign MMBW 4
Not yet on Master's MateType
Pilot
Flag
GBRLength
21 m
Beam
8 m
Draft
3.2 m
Call sign
MMBW 4
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
KNAB, a workboat flying the flag of the United Kingdom, measures 21 metres on deck. KNAB has a 8 m beam and a 3.2 m draft. She's on record as MMSI 235034995, call sign MMBW 4. KNAB earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like KNAB.
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 2, 2026
Position
60.1562° N, 1.1432° W
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 KNAB 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 KNAB and switch it all on
Free to join · nothing to install to start · cancel anytime
About KNAB
What kind of vessel is KNAB?
KNAB is a Pilot flagged to United Kingdom.
Where was KNAB last seen?
KNAB was last reported in the North Sea in Jun 2026 on public AIS.
What is KNAB's MMSI?
KNAB's MMSI is 235034995. Call sign MMBW 4.
How big is KNAB?
KNAB is about 21 m long, 8 m on the beam, drawing 3.2 m.
Is KNAB on the Master's Mate Safety Initiative Network?
Not yet. If KNAB is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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