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.
Port Tender
ALMERE 4
MMSI 232005500 · Call sign MAKB5
Not yet on Master's MateType
Port Tender
Flag
GBRLength
28 m
Beam
4 m
Draft
1 m
Call sign
MAKB5
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
29
ALMERE 4 is an utility boat sailing under the British flag, 28 metres from stem to stern. She's built with a beam of 4 m and a 1-metre draft. Officially she's MMSI 232005500, call sign MAKB5. ALMERE 4 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 ALMERE 4.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Live AIS position · Jun 8, 2026 22:55 UTC
Position
51.5093° N, 0.1116° W
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Destination
LONDON
Working the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put ALMERE 4 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 ALMERE 4 and switch it all on
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About ALMERE 4
What kind of vessel is ALMERE 4?
ALMERE 4 is a Port Tender flagged to United Kingdom.
Where was ALMERE 4 last seen?
ALMERE 4 was last reported in the North Sea in Jun 2026 on public AIS.
What is ALMERE 4's MMSI?
ALMERE 4's MMSI is 232005500. Call sign MAKB5.
How big is ALMERE 4?
ALMERE 4 is about 28 m long, 4 m on the beam, drawing 1 m.
Is ALMERE 4 on the Master's Mate Safety Initiative Network?
Not yet. If ALMERE 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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