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.
Fishing
SANT JOAN B
MMSI 224011550 · Call sign EA4551
Not yet on Master's MateType
Fishing
Flag
ESPLength
25 m
Beam
6 m
Call sign
EA4551
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
50
On the Spanish registry, SANT JOAN B is a 25-metre commercial fishing vessel. SANT JOAN B has 6 metres in the beam. She's on record as MMSI 224011550, call sign EA4551. Out where help is far away, SANT JOAN B has the free Master's Mate Safety Initiative Network — and a fleet that answers.
Free forever · No credit card · for working captains
Know where the fleet is. Get SANT JOAN B home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
39.8637° N, 0.0709° W
Fishing the Western Mediterranean? 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 captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SANT JOAN B 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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 SANT JOAN B and switch it all on
Free to join · nothing to install to start · cancel anytime
About SANT JOAN B
What kind of vessel is SANT JOAN B?
SANT JOAN B is a Fishing flagged to Spain.
Where was SANT JOAN B last seen?
SANT JOAN B was last reported in the Western Mediterranean in Jun 2026 on public AIS.
What is SANT JOAN B's MMSI?
SANT JOAN B's MMSI is 224011550. Call sign EA4551.
How big is SANT JOAN B?
SANT JOAN B is about 25 m long, 6 m on the beam.
Is SANT JOAN B on the Master's Mate Safety Initiative Network?
Not yet. If SANT JOAN B 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.