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
MARIAN S. HEISKELL
MMSI 367187770 · Call sign WDD7538
Not yet on Master's MateType
Passenger
Flag
USALength
20 m
Beam
8 m
Draft
2.4 m
Call sign
WDD7538
Official No.
1198685
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
39
MARIAN S. HEISKELL is an American passenger ferry — 20 metres overall. She has a beam measuring 8 metres and a draft of 2.4 m. On AIS she shows as MMSI 367187770, call sign WDD7538. Sign MARIAN S. HEISKELL up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard MARIAN S. HEISKELL 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 22:11 UTC
Position
40.7170° N, 73.9699° W
Status
Moored
Speed
23.5 kn
Course
201°
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 MARIAN S. HEISKELL 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 MARIAN S. HEISKELL and switch it all on
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About MARIAN S. HEISKELL
What kind of vessel is MARIAN S. HEISKELL?
MARIAN S. HEISKELL is a Passenger flagged to United States of America.
Where was MARIAN S. HEISKELL last seen?
MARIAN S. HEISKELL was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is MARIAN S. HEISKELL's MMSI?
MARIAN S. HEISKELL's MMSI is 367187770. Call sign WDD7538.
How big is MARIAN S. HEISKELL?
MARIAN S. HEISKELL is about 20 m long, 8 m on the beam, drawing 2.4 m.
Is MARIAN S. HEISKELL on the Master's Mate Safety Initiative Network?
Not yet. If MARIAN S. HEISKELL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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