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.
Pilot
BOSTON PILOT CHELSEA
MMSI 338494843
Not yet on Master's MateType
Pilot
Flag
USALength
15 m
Beam
4 m
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
BOSTON PILOT CHELSEA is a harbour workboat on the the United States registry, 15 metres long. Below, she has a beam of 4 m. Officially she's MMSI 338494843. Claim BOSTON PILOT CHELSEA free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like BOSTON PILOT CHELSEA.
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
Live AIS position · Jun 10, 2026 02:00 UTC
Position
42.3628° N, 71.0315° W
Status
Under way (engine)
Speed
0.0 kn
Course
190°
Working the Gulf of Maine? 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 BOSTON PILOT CHELSEA 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 BOSTON PILOT CHELSEA and switch it all on
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About BOSTON PILOT CHELSEA
What kind of vessel is BOSTON PILOT CHELSEA?
BOSTON PILOT CHELSEA is a Pilot flagged to United States of America.
Where was BOSTON PILOT CHELSEA last seen?
BOSTON PILOT CHELSEA was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is BOSTON PILOT CHELSEA's MMSI?
BOSTON PILOT CHELSEA's MMSI is 338494843.
How big is BOSTON PILOT CHELSEA?
BOSTON PILOT CHELSEA is about 15 m long, 4 m on the beam.
Is BOSTON PILOT CHELSEA on the Master's Mate Safety Initiative Network?
Not yet. If BOSTON PILOT CHELSEA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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