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.
Passenger
SAN COSTANZO
MMSI 247226100 · Call sign IFOF
Not yet on Master's MateType
Passenger
Flag
ITALength
19 m
Beam
4 m
Call sign
IFOF
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
47
On the Italian registry, SAN COSTANZO is a 19-metre passenger ship. Below, she has a 4 m beam. She broadcasts as MMSI 247226100, call sign IFOF. SAN COSTANZO can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SAN COSTANZO safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
40.7419° N, 14.4592° E
Sailing the Adriatic 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SAN COSTANZO on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 SAN COSTANZO and switch it all on
Free to join · nothing to install to start · cancel anytime
About SAN COSTANZO
What kind of vessel is SAN COSTANZO?
SAN COSTANZO is a Passenger flagged to Italy.
Where was SAN COSTANZO last seen?
SAN COSTANZO was last reported in the Adriatic Sea in Jun 2026 on public AIS.
What is SAN COSTANZO's MMSI?
SAN COSTANZO's MMSI is 247226100. Call sign IFOF.
How big is SAN COSTANZO?
SAN COSTANZO is about 19 m long, 4 m on the beam.
Is SAN COSTANZO on the Master's Mate Safety Initiative Network?
Not yet. If SAN COSTANZO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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