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

PRISAI

MMSI 525019300 · Call sign YDA4108

Not yet on Master's Mate

Flag

IDN

Length

89 m

Beam

2 m

Draft

1.1 m

Call sign

YDA4108

IMO

9365037

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

Registered in Indonesia, PRISAI is an 89-metre craft. Her hull carries a beam measuring 2 metres and a draft of 1.1 m. On the registers she's MMSI 525019300, call sign YDA4108, IMO 9365037. PRISAI is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

Free forever · No credit card

Is PRISAI 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.

Claim this boat — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Last known position · Jun 4, 2026

Track PRISAI live — sign up free →

Position

5.9431° S, 106.7969° E

Wherever PRISAI roams, 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

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put PRISAI 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 PRISAI and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About PRISAI

What kind of vessel is PRISAI?

PRISAI is a vessel flagged to Indonesia.

Where was PRISAI last seen?

PRISAI was last reported in around 6°S 107°E in Jun 2026 on public AIS.

What is PRISAI's MMSI?

PRISAI's MMSI is 525019300. Call sign YDA4108. IMO 9365037.

How big is PRISAI?

PRISAI is about 89 m long, 2 m on the beam, drawing 1.1 m.

Is PRISAI on the Master's Mate Safety Initiative Network?

Not yet. If PRISAI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).