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.

Commercial Fishing Vessel

SANDRA FIVE

MMSI 366752970 · Call sign WCY5597

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

31.3 m

Beam

9.4 m

Draft

3.4 m

Call sign

WCY5597

IMO

8958667

Official No.

1068196

AIS reports

SANDRA FIVE, a working fishing vessel hailing from the United States, measures 31.3 metres on deck. She has a beam of 9.4 m and a draft measuring 3.4 metres. On the registers she's MMSI 366752970, call sign WCY5597, IMO 8958667. SANDRA FIVE can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for working captains

Know where the fleet is. Get SANDRA FIVE home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever SANDRA FIVE 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 working captains

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

Joining the Safety Initiative Network doesn't just put SANDRA FIVE on the map. It hands you the full bridge:

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.

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.

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 SANDRA FIVE and switch it all on

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

Claim free → unlock everything

About SANDRA FIVE

What kind of vessel is SANDRA FIVE?

SANDRA FIVE is a Commercial Fishing Vessel flagged to United States of America.

What is SANDRA FIVE's MMSI?

SANDRA FIVE's MMSI is 366752970. Call sign WCY5597. IMO 8958667.

How big is SANDRA FIVE?

SANDRA FIVE is about 31.3 m long, 9.4 m on the beam, drawing 3.4 m.

Is SANDRA FIVE on the Master's Mate Safety Initiative Network?

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