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 (Inspected)
SABRINA L
MMSI 366686330 · Call sign WCS9901
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
16.1 m
Beam
5.4 m
Draft
2.2 m
Call sign
WCS9901
Official No.
563347
AIS reports
1
SABRINA L is an American excursion vessel, 16.1 metres from stem to stern. SABRINA L has a beam of 5.4 m and a 2.2-metre draft. Her papers read MMSI 366686330, call sign WCS9901. SABRINA L carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SABRINA L 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
Wherever SABRINA L 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SABRINA L 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 SABRINA L and switch it all on
Free to join · nothing to install to start · cancel anytime
About SABRINA L
What kind of vessel is SABRINA L?
SABRINA L is a Passenger (Inspected) flagged to United States of America.
What is SABRINA L's MMSI?
SABRINA L's MMSI is 366686330. Call sign WCS9901.
How big is SABRINA L?
SABRINA L is about 16.1 m long, 5.4 m on the beam, drawing 2.2 m.
Is SABRINA L on the Master's Mate Safety Initiative Network?
Not yet. If SABRINA L 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.