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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

Arne Christiansen

MMSI 367422720 · Call sign WDE9907

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
34.9 m
Beam
10.4 m
Draft
3.2 m
Call sign
WDE9907
Official No.
1222307
AIS reports
1

Arne Christiansen is a harbour workboat flying the American flag, 34.9 metres long. Her hull carries a 10.4-metre beam and a draft of 3.2 m. Look for MMSI 367422720, call sign WDE9907. Arne Christiansen 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 boats

Built for boats that work — like Arne Christiansen.

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 Arne Christiansen 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 Arne Christiansen 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 Arne Christiansen and switch it all on
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Claim free → unlock everything

About Arne Christiansen

What kind of vessel is Arne Christiansen?
Arne Christiansen is a Towing Vessel flagged to United States of America.
What is Arne Christiansen's MMSI?
Arne Christiansen's MMSI is 367422720. Call sign WDE9907.
How big is Arne Christiansen?
Arne Christiansen is about 34.9 m long, 10.4 m on the beam, drawing 3.2 m.
Is Arne Christiansen on the Master's Mate Safety Initiative Network?
Not yet. If Arne Christiansen is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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