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.
Vessel
AVAPCO ALTE HESS
MMSI 710400028 · Call sign PWFN
Not yet on Master's MateFlag
BRALength
27 m
Beam
6 m
Call sign
PWFN
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
71
On the Brazilian registry, AVAPCO ALTE HESS is a 27-metre boat. Below, she has a beam of 6 m. Officially she's MMSI 710400028, call sign PWFN. AVAPCO ALTE HESS belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Is AVAPCO ALTE HESS your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
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Last known position · Jun 3, 2026
Position
22.9151° S, 43.1246° W
Wherever AVAPCO ALTE HESS 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 AVAPCO ALTE HESS on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim AVAPCO ALTE HESS and switch it all on
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About AVAPCO ALTE HESS
What kind of vessel is AVAPCO ALTE HESS?
AVAPCO ALTE HESS is a vessel flagged to Brazil.
Where was AVAPCO ALTE HESS last seen?
AVAPCO ALTE HESS was last reported in around 23°S 43°W in Jun 2026 on public AIS.
What is AVAPCO ALTE HESS's MMSI?
AVAPCO ALTE HESS's MMSI is 710400028. Call sign PWFN.
How big is AVAPCO ALTE HESS?
AVAPCO ALTE HESS is about 27 m long, 6 m on the beam.
Is AVAPCO ALTE HESS on the Master's Mate Safety Initiative Network?
Not yet. If AVAPCO ALTE HESS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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