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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

CAPT. CROSBY

MMSI 366988950 · Call sign WCP6520

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
14.9 m
Beam
6.2 m
Draft
2.3 m
Call sign
WCP6520
Official No.
636072
AIS reports
1

CAPT. CROSBY flies the American flag — a 14.9-metre service vessel. CAPT. CROSBY has a beam measuring 6.2 metres and a 2.3 m draft. She's listed under MMSI 366988950, call sign WCP6520. There's a place for CAPT. CROSBY on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for working boats

Built for boats that work — like CAPT. CROSBY.

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 CAPT. CROSBY 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 CAPT. CROSBY 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 CAPT. CROSBY and switch it all on
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About CAPT. CROSBY

What kind of vessel is CAPT. CROSBY?
CAPT. CROSBY is a Towing Vessel flagged to United States of America.
What is CAPT. CROSBY's MMSI?
CAPT. CROSBY's MMSI is 366988950. Call sign WCP6520.
How big is CAPT. CROSBY?
CAPT. CROSBY is about 14.9 m long, 6.2 m on the beam, drawing 2.3 m.
Is CAPT. CROSBY on the Master's Mate Safety Initiative Network?
Not yet. If CAPT. CROSBY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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