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.
Passenger (Inspected)
JAVELIN
MMSI 368303580 · Call sign WDN6911
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
14.9 m
Beam
4.5 m
Draft
0.6 m
Call sign
WDN6911
Official No.
1334631
Hull ID
EOUDC006C323
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
10
JAVELIN is a passenger boat under the American flag, measuring 14.9 metres. She's built with a beam measuring 4.5 metres and a 0.6 m draft. Her papers read MMSI 368303580, call sign WDN6911. For a boat that carries people, JAVELIN can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard JAVELIN safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 2, 2026
Position
38.9908° N, 76.4853° W
Sailing Chesapeake Bay? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put JAVELIN on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 JAVELIN and switch it all on
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About JAVELIN
What kind of vessel is JAVELIN?
JAVELIN is a Passenger (Inspected) flagged to United States of America.
Where was JAVELIN last seen?
JAVELIN was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is JAVELIN's MMSI?
JAVELIN's MMSI is 368303580. Call sign WDN6911.
How big is JAVELIN?
JAVELIN is about 14.9 m long, 4.5 m on the beam, drawing 0.6 m.
Is JAVELIN on the Master's Mate Safety Initiative Network?
Not yet. If JAVELIN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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