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

SLICKLINE II

MMSI 367130560 · Call sign WDD3388

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

39 m

Beam

12.8 m

Draft

2.9 m

Call sign

WDD3388

Official No.

575823

AIS reports

SLICKLINE II is an American workboat, 39 metres in length. She carries a beam measuring 12.8 metres and a 2.9 m draft. On the registers she's MMSI 367130560, call sign WDD3388. Add SLICKLINE II to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like SLICKLINE II.

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 SLICKLINE II 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 SLICKLINE II 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 SLICKLINE II and switch it all on

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

Claim free → unlock everything

About SLICKLINE II

What kind of vessel is SLICKLINE II?

SLICKLINE II is a Towing Vessel flagged to United States of America.

What is SLICKLINE II's MMSI?

SLICKLINE II's MMSI is 367130560. Call sign WDD3388.

How big is SLICKLINE II?

SLICKLINE II is about 39 m long, 12.8 m on the beam, drawing 2.9 m.

Is SLICKLINE II on the Master's Mate Safety Initiative Network?

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