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.
Industrial Vessel
Once In A Lifetime
MMSI 368379350 · Call sign WDP7172
Not yet on Master's MateType
Industrial Vessel
Flag
USALength
50.8 m
Beam
12.2 m
Draft
3.4 m
Call sign
WDP7172
IMO
8118011
Official No.
650360
AIS reports
1
An American cargo vessel, Once In A Lifetime measures 50.8 metres. Her hull carries a 12.2 m beam and a draft of 3.4 m. On AIS she shows as MMSI 368379350, call sign WDP7172, IMO 8118011. Add Once In A Lifetime to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on Once In A Lifetime, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Once In A Lifetime 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Once In A Lifetime on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 Once In A Lifetime and switch it all on
Free to join · nothing to install to start · cancel anytime
About Once In A Lifetime
What kind of vessel is Once In A Lifetime?
Once In A Lifetime is a Industrial Vessel flagged to United States of America.
What is Once In A Lifetime's MMSI?
Once In A Lifetime's MMSI is 368379350. Call sign WDP7172. IMO 8118011.
How big is Once In A Lifetime?
Once In A Lifetime is about 50.8 m long, 12.2 m on the beam, drawing 3.4 m.
Is Once In A Lifetime on the Master's Mate Safety Initiative Network?
Not yet. If Once In A Lifetime is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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