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 (Inspected)

ARNOLD W OLIVER

MMSI 367097570 · Call sign WCW4973

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

27.6 m

Beam

13.4 m

Draft

3.6 m

Call sign

WCW4973

Official No.

1038967

AIS reports

An American passenger craft, ARNOLD W OLIVER measures 27.6 metres. She has a 13.4-metre beam and a draft measuring 3.6 metres. On AIS she shows as MMSI 367097570, call sign WCW4973. ARNOLD W OLIVER belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard ARNOLD W OLIVER 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

Wherever ARNOLD W OLIVER 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 · for passenger & charter operators

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

Joining the Safety Initiative Network doesn't just put ARNOLD W OLIVER 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 ARNOLD W OLIVER and switch it all on

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

Claim free → unlock everything

About ARNOLD W OLIVER

What kind of vessel is ARNOLD W OLIVER?

ARNOLD W OLIVER is a Passenger (Inspected) flagged to United States of America.

What is ARNOLD W OLIVER's MMSI?

ARNOLD W OLIVER's MMSI is 367097570. Call sign WCW4973.

How big is ARNOLD W OLIVER?

ARNOLD W OLIVER is about 27.6 m long, 13.4 m on the beam, drawing 3.6 m.

Is ARNOLD W OLIVER on the Master's Mate Safety Initiative Network?

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