Sign up free Dashboard Log out
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

CHOPTANK

MMSI 367147860 · Call sign WDG4555

Not yet on Master's Mate
Type
Towing
Flag
USAUSA
Length
30 m
Beam
11 m
Draft
4.3 m
Call sign
WDG4555
IMO
9417074
Official No.
1191156
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
88

CHOPTANK, an American working vessel, measures 30 metres on deck. Below, she has a beam measuring 11 metres and a draft measuring 4.3 metres. On the registers she's MMSI 367147860, call sign WDG4555, IMO 9417074. There's a place for CHOPTANK on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for working boats

Built for boats that work — like CHOPTANK.

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 9, 2026 07:04 UTC
Position
40.6621° N, 74.0152° W
Status
Pushing ahead
Speed
5.9 kn
Course
53°
Working 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 working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put CHOPTANK 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 CHOPTANK and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About CHOPTANK

What kind of vessel is CHOPTANK?
CHOPTANK is a Towing flagged to United States of America.
Where was CHOPTANK last seen?
CHOPTANK was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is CHOPTANK's MMSI?
CHOPTANK's MMSI is 367147860. Call sign WDG4555. IMO 9417074.
How big is CHOPTANK?
CHOPTANK is about 30 m long, 11 m on the beam, drawing 4.3 m.
Is CHOPTANK on the Master's Mate Safety Initiative Network?
Not yet. If CHOPTANK 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.