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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

KOLBY D

MMSI 366969010 · Call sign WDB9062

Not yet on Master's Mate
Type
Offshore Supply Vessel
Flag
USAUSA
Length
38.6 m
Beam
9.8 m
Draft
3.5 m
Call sign
WDB9062
IMO
8988442
Official No.
1156384
AIS reports
1

Registered in the United States, KOLBY D is a 38.6-metre utility vessel. She's built with a 9.8-metre beam and a 3.5-metre draft. On AIS she appears as MMSI 366969010, call sign WDB9062, IMO 8988442. KOLBY D can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like KOLBY D.

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

About KOLBY D

What kind of vessel is KOLBY D?
KOLBY D is a Offshore Supply Vessel flagged to United States of America.
What is KOLBY D's MMSI?
KOLBY D's MMSI is 366969010. Call sign WDB9062. IMO 8988442.
How big is KOLBY D?
KOLBY D is about 38.6 m long, 9.8 m on the beam, drawing 3.5 m.
Is KOLBY D on the Master's Mate Safety Initiative Network?
Not yet. If KOLBY D is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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