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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.
Tug

HEATHER S

MMSI 368440320 · Call sign WDQ6050

Not yet on Master's Mate
Type
Tug
Flag
USAUSA
Length
22 m
Beam
12 m
Draft
4.3 m
Call sign
WDQ6050
Official No.
1355753
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86

Registered in the United States, HEATHER S is a 22-metre working tug. She carries a beam measuring 12 metres and a 4.3-metre draft. She broadcasts as MMSI 368440320, call sign WDQ6050. HEATHER S can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like HEATHER S.

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 11:32 UTC
Position
45.6437° N, 122.7530° W
Status
Under way (engine)
Speed
0.0 kn
Course
308°
Destination
PORTLAND HARBOR OPS
Wherever HEATHER S roams, 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 HEATHER S 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 HEATHER S and switch it all on
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About HEATHER S

What kind of vessel is HEATHER S?
HEATHER S is a Tug flagged to United States of America.
Where was HEATHER S last seen?
HEATHER S was last reported in around 46°N 123°W in Jun 2026 on public AIS.
What is HEATHER S's MMSI?
HEATHER S's MMSI is 368440320. Call sign WDQ6050.
How big is HEATHER S?
HEATHER S is about 22 m long, 12 m on the beam, drawing 4.3 m.
Is HEATHER S on the Master's Mate Safety Initiative Network?
Not yet. If HEATHER S is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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