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.
Towing
NATOMA
MMSI 338272000 · Call sign WBB5799
Not yet on Master's MateType
Towing
Flag
USALength
39 m
Beam
11 m
Draft
5.5 m
Call sign
WBB5799
IMO
7420455
Official No.
571752
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
49
NATOMA, an American utility vessel, measures 39 metres on deck. She carries a beam measuring 11 metres and a 5.5-metre draft. On AIS she shows as MMSI 338272000, call sign WBB5799, IMO 7420455. It's free to add NATOMA to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like NATOMA.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 3, 2026
Position
21.3092° N, 157.8693° W
Working the Hawaiian Islands? You're never out there alone.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put NATOMA on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 NATOMA and switch it all on
Free to join · nothing to install to start · cancel anytime
About NATOMA
What kind of vessel is NATOMA?
NATOMA is a Towing flagged to United States of America.
Where was NATOMA last seen?
NATOMA was last reported in the Hawaiian Islands in Jun 2026 on public AIS.
What is NATOMA's MMSI?
NATOMA's MMSI is 338272000. Call sign WBB5799. IMO 7420455.
How big is NATOMA?
NATOMA is about 39 m long, 11 m on the beam, drawing 5.5 m.
Is NATOMA on the Master's Mate Safety Initiative Network?
Not yet. If NATOMA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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