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.
Recreational
SHEILA D II
MMSI 367446110 · Call sign WDF3957
Not yet on Master's MateType
Recreational
Flag
USALength
8.7 m
Beam
3.1 m
Draft
1.1 m
Call sign
WDF3957
Official No.
1225972
Hull ID
WVY28044A010
AIS reports
1
SHEILA D II, a recreational boat flying the flag of the United States, measures 8.7 metres on deck. She carries a 3.1-metre beam and a 1.1-metre draft. Her papers read MMSI 367446110, call sign WDF3957. Whether she's at the dock or out for the weekend, SHEILA D II is covered by the free Master's Mate Safety Initiative Network — alarms, weather, and a watching fleet.
Free forever · No credit card · for recreational captains
Keep SHEILA D II looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever SHEILA D II 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SHEILA D II on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SHEILA D II and switch it all on
Free to join · nothing to install to start · cancel anytime
About SHEILA D II
What kind of vessel is SHEILA D II?
SHEILA D II is a Recreational flagged to United States of America.
What is SHEILA D II's MMSI?
SHEILA D II's MMSI is 367446110. Call sign WDF3957.
How big is SHEILA D II?
SHEILA D II is about 8.7 m long, 3.1 m on the beam, drawing 1.1 m.
Is SHEILA D II on the Master's Mate Safety Initiative Network?
Not yet. If SHEILA D II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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