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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.
Offshore Supply Vessel

EARLY BIRD

MMSI 366978850 · Call sign WDB9581

Not yet on Master's Mate
Type
Offshore Supply Vessel
Flag
USAUSA
Length
46.2 m
Beam
11 m
Draft
3.7 m
Call sign
WDB9581
IMO
8987890
Official No.
1157744
AIS reports
1

On the American registry, EARLY BIRD is a 46.2-metre work boat. She has a beam measuring 11 metres and a draft measuring 3.7 metres. On AIS she shows as MMSI 366978850, call sign WDB9581, IMO 8987890. EARLY BIRD 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 EARLY BIRD.

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 EARLY BIRD 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 EARLY BIRD 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 EARLY BIRD and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About EARLY BIRD

What kind of vessel is EARLY BIRD?
EARLY BIRD is a Offshore Supply Vessel flagged to United States of America.
What is EARLY BIRD's MMSI?
EARLY BIRD's MMSI is 366978850. Call sign WDB9581. IMO 8987890.
How big is EARLY BIRD?
EARLY BIRD is about 46.2 m long, 11 m on the beam, drawing 3.7 m.
Is EARLY BIRD on the Master's Mate Safety Initiative Network?
Not yet. If EARLY BIRD is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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