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.
Commercial Fishing Vessel
NITE OWL
MMSI 366894740 · Call sign WDB4099
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
12.7 m
Beam
5.1 m
Draft
1.9 m
Call sign
WDB4099
Official No.
515634
AIS reports
1
An American commercial fishing boat, NITE OWL measures 12.7 metres. Her hull carries a beam of 5.1 m and a draft measuring 1.9 metres. Her registration reads MMSI 366894740, call sign WDB4099. NITE OWL can join the Master's Mate Safety Initiative Network free, for live AIS, weather, and a network of boats ready to help when it counts.
Free forever · No credit card · for working captains
Know where the fleet is. Get NITE OWL home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever NITE OWL 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 working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NITE OWL 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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 NITE OWL and switch it all on
Free to join · nothing to install to start · cancel anytime
About NITE OWL
What kind of vessel is NITE OWL?
NITE OWL is a Commercial Fishing Vessel flagged to United States of America.
What is NITE OWL's MMSI?
NITE OWL's MMSI is 366894740. Call sign WDB4099.
How big is NITE OWL?
NITE OWL is about 12.7 m long, 5.1 m on the beam, drawing 1.9 m.
Is NITE OWL on the Master's Mate Safety Initiative Network?
Not yet. If NITE OWL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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