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.

Sailing

RANGER

MMSI 232057516 · Call sign MRBO9

Not yet on Master's Mate

Type

Sailing

Flag

GBR

Length

19 m

Beam

5 m

Call sign

MRBO9

First reported

Apr 2026

Last reported

Apr 2026

AIS reports

RANGER flies the British flag — a 19-metre sailboat. Her hull carries a beam measuring 5 metres. Officially she's MMSI 232057516, call sign MRBO9. It's free to add RANGER to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card · for cruisers

Sleep easy on the hook aboard RANGER.

GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.

Set her anchor watch — free →

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

Last known position · Apr 16, 2026

Track RANGER live — sign up free →

Position

17.0666° N, 61.8814° W

Sailing the Caribbean? 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 cruisers

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

Joining the Safety Initiative Network doesn't just put RANGER 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.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

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.

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.

Claim RANGER and switch it all on

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

Claim free → unlock everything

About RANGER

What kind of vessel is RANGER?

RANGER is a Sailing flagged to United Kingdom.

Where was RANGER last seen?

RANGER was last reported in the Caribbean in Apr 2026 on public AIS.

What is RANGER's MMSI?

RANGER's MMSI is 232057516. Call sign MRBO9.

How big is RANGER?

RANGER is about 19 m long, 5 m on the beam.

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

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