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.
Recreational
RANGER
MMSI 368205860 · Call sign WDM4380
Not yet on Master's MateType
Recreational
Flag
USALength
16.6 m
Beam
4.7 m
Draft
2.4 m
Call sign
WDM4380
Official No.
1184034
Hull ID
SERY1356A606
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
An American cruising boat, RANGER measures 16.6 metres. RANGER has a beam measuring 4.7 metres and a 2.4-metre draft. On AIS she appears as MMSI 368205860, call sign WDM4380. It's free to add RANGER to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for recreational captains
Keep RANGER looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 13:40 UTC
Position
38.8380° N, 76.5439° W
Status
Under way (engine)
Speed
0.0 kn
Course
351°
Cruising Chesapeake Bay? 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RANGER on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim RANGER and switch it all on
Free to join · nothing to install to start · cancel anytime
About RANGER
What kind of vessel is RANGER?
RANGER is a Recreational flagged to United States of America.
Where was RANGER last seen?
RANGER was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is RANGER's MMSI?
RANGER's MMSI is 368205860. Call sign WDM4380.
How big is RANGER?
RANGER is about 16.6 m long, 4.7 m on the beam, drawing 2.4 m.
Is RANGER on the Master's Mate Safety Initiative Network?
Not yet. If RANGER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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