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)
NSI 1
MMSI 368109000 · Call sign EX203
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
19.1 m
Beam
5.5 m
Draft
2.5 m
Call sign
EX203
Official No.
585020
AIS reports
3
NSI 1 is an American excursion vessel, 19.1 metres from stem to stern. She carries a 5.5-metre beam and a 2.5-metre draft. Look for MMSI 368109000, call sign EX203. NSI 1 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 NSI 1 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 NSI 1 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 NSI 1 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 NSI 1 and switch it all on
Free to join · nothing to install to start · cancel anytime
About NSI 1
What kind of vessel is NSI 1?
NSI 1 is a Passenger (Inspected) flagged to United States of America.
What is NSI 1's MMSI?
NSI 1's MMSI is 368109000. Call sign EX203.
How big is NSI 1?
NSI 1 is about 19.1 m long, 5.5 m on the beam, drawing 2.5 m.
Is NSI 1 on the Master's Mate Safety Initiative Network?
Not yet. If NSI 1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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