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
BARNSTABLE
MMSI 368354510 · Call sign WDP4450
Not yet on Master's MateType
Passenger
Flag
USALength
74 m
Beam
20 m
Draft
3.2 m
Call sign
WDP4450
IMO
9472438
Official No.
1205154
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
On the American registry, BARNSTABLE is a 74-metre ferry vessel. Her hull carries a 20-metre beam and a draft of 3.2 m. Find her under MMSI 368354510, call sign WDP4450, IMO 9472438. For a boat that carries people, BARNSTABLE 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 BARNSTABLE 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
Live AIS position · Jun 9, 2026 06:16 UTC
Position
41.4558° N, 70.5994° W
Status
Under way (engine)
Speed
0.0 kn
Course
45°
Destination
NANTUCKET-HYANNIS
ETA
06-25 22:00 UTC
Sailing off the U.S. East Coast? 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put BARNSTABLE 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 BARNSTABLE and switch it all on
Free to join · nothing to install to start · cancel anytime
About BARNSTABLE
What kind of vessel is BARNSTABLE?
BARNSTABLE is a Passenger flagged to United States of America.
Where was BARNSTABLE last seen?
BARNSTABLE was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is BARNSTABLE's MMSI?
BARNSTABLE's MMSI is 368354510. Call sign WDP4450. IMO 9472438.
How big is BARNSTABLE?
BARNSTABLE is about 74 m long, 20 m on the beam, drawing 3.2 m.
Is BARNSTABLE on the Master's Mate Safety Initiative Network?
Not yet. If BARNSTABLE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.