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.

Offshore Supply Vessel

HOS RUNNING BUCK

MMSI 368253470 · Call sign WDM9526

Not yet on Master's Mate

Type

Offshore Supply Vessel

Flag

USA

Length

80.3 m

Beam

18.3 m

Draft

7.5 m

Call sign

WDM9526

IMO

9645633

Official No.

1323242

AIS reports

HOS RUNNING BUCK is a working craft flagged in the United States, 80.3 metres LOA. Below, she has 18.3 metres in the beam and a draft of 7.5 m. On AIS she appears as MMSI 368253470, call sign WDM9526, IMO 9645633. Claim HOS RUNNING BUCK free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for working boats

Built for boats that work — like HOS RUNNING BUCK.

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 HOS RUNNING BUCK 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 HOS RUNNING BUCK 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 HOS RUNNING BUCK and switch it all on

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Claim free → unlock everything

About HOS RUNNING BUCK

What kind of vessel is HOS RUNNING BUCK?

HOS RUNNING BUCK is a Offshore Supply Vessel flagged to United States of America.

What is HOS RUNNING BUCK's MMSI?

HOS RUNNING BUCK's MMSI is 368253470. Call sign WDM9526. IMO 9645633.

How big is HOS RUNNING BUCK?

HOS RUNNING BUCK is about 80.3 m long, 18.3 m on the beam, drawing 7.5 m.

Is HOS RUNNING BUCK on the Master's Mate Safety Initiative Network?

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