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
ALCATRAZ
MMSI 710000698 · Call sign PPUN
Not yet on Master's MateType
Tug
Flag
BRALength
89 m
Beam
16 m
Draft
5.8 m
Call sign
PPUN
IMO
9644146
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
A Brazilian tug, ALCATRAZ measures 89 metres. She has a 16-metre beam and a draft measuring 5.8 metres. Her papers read MMSI 710000698, call sign PPUN, IMO 9644146. Add ALCATRAZ to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Built for boats that work — like ALCATRAZ.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
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Last known position · Jun 4, 2026
Position
22.8883° S, 43.2152° W
Wherever ALCATRAZ roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put ALCATRAZ 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 ALCATRAZ and switch it all on
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About ALCATRAZ
What kind of vessel is ALCATRAZ?
ALCATRAZ is a Tug flagged to Brazil.
Where was ALCATRAZ last seen?
ALCATRAZ was last reported in around 23°S 43°W in Jun 2026 on public AIS.
What is ALCATRAZ's MMSI?
ALCATRAZ's MMSI is 710000698. Call sign PPUN. IMO 9644146.
How big is ALCATRAZ?
ALCATRAZ is about 89 m long, 16 m on the beam, drawing 5.8 m.
Is ALCATRAZ on the Master's Mate Safety Initiative Network?
Not yet. If ALCATRAZ is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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