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
RIVER PILOT
MMSI 367473520 · Call sign WDN4426
Not yet on Master's MateType
Towing Vessel
Flag
USALength
19.8 m
Beam
7.9 m
Draft
2.7 m
Call sign
WDN4426
Official No.
1069716
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
7
RIVER PILOT is a workboat under the American flag, 19.8 metres in length. She carries 7.9 metres in the beam and a 2.7 m draft. She's on record as MMSI 367473520, call sign WDN4426. Bring RIVER PILOT aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like RIVER PILOT.
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
Last known position · Jun 4, 2026
Position
36.8643° N, 76.3210° W
Working 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RIVER PILOT 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 RIVER PILOT and switch it all on
Free to join · nothing to install to start · cancel anytime
About RIVER PILOT
What kind of vessel is RIVER PILOT?
RIVER PILOT is a Towing Vessel flagged to United States of America.
Where was RIVER PILOT last seen?
RIVER PILOT was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is RIVER PILOT's MMSI?
RIVER PILOT's MMSI is 367473520. Call sign WDN4426.
How big is RIVER PILOT?
RIVER PILOT is about 19.8 m long, 7.9 m on the beam, drawing 2.7 m.
Is RIVER PILOT on the Master's Mate Safety Initiative Network?
Not yet. If RIVER PILOT is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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