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

SEAWARD 16

MMSI 368333330 · Call sign WDP2121

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

7.8 m

Beam

4.1 m

Draft

1.5 m

Call sign

WDP2121

Official No.

1316533

AIS reports

SEAWARD 16, a harbour workboat flying the flag of the United States, measures 7.8 metres on deck. Below, she has 4.1 metres in the beam and a draft of 1.5 m. She's on record as MMSI 368333330, call sign WDP2121. Put SEAWARD 16 on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like SEAWARD 16.

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 SEAWARD 16 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 SEAWARD 16 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 SEAWARD 16 and switch it all on

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About SEAWARD 16

What kind of vessel is SEAWARD 16?

SEAWARD 16 is a Towing Vessel flagged to United States of America.

What is SEAWARD 16's MMSI?

SEAWARD 16's MMSI is 368333330. Call sign WDP2121.

How big is SEAWARD 16?

SEAWARD 16 is about 7.8 m long, 4.1 m on the beam, drawing 1.5 m.

Is SEAWARD 16 on the Master's Mate Safety Initiative Network?

Not yet. If SEAWARD 16 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).