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.

Towing Vessel

MARSHALL CALLAHAN

MMSI 366794070 · Call sign WDA3046

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

15.2 m

Beam

4.6 m

Draft

2.1 m

Call sign

WDA3046

Official No.

1105440

AIS reports

MARSHALL CALLAHAN, a service vessel under the American flag, measures 15.2 metres on deck. MARSHALL CALLAHAN has 4.6 metres in the beam and a 2.1 m draft. She's on record as MMSI 366794070, call sign WDA3046. MARSHALL CALLAHAN can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like MARSHALL CALLAHAN.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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

Wherever MARSHALL CALLAHAN 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 boats

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

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

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

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.

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 MARSHALL CALLAHAN and switch it all on

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

Claim free → unlock everything

About MARSHALL CALLAHAN

What kind of vessel is MARSHALL CALLAHAN?

MARSHALL CALLAHAN is a Towing Vessel flagged to United States of America.

What is MARSHALL CALLAHAN's MMSI?

MARSHALL CALLAHAN's MMSI is 366794070. Call sign WDA3046.

How big is MARSHALL CALLAHAN?

MARSHALL CALLAHAN is about 15.2 m long, 4.6 m on the beam, drawing 2.1 m.

Is MARSHALL CALLAHAN on the Master's Mate Safety Initiative Network?

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