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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

FRONTIER SPIRIT

MMSI 366923450 · Call sign WBO6539

Not yet on Master's Mate
Type
Commercial Fishing Vessel
Flag
USAUSA
Length
35.9 m
Beam
9.3 m
Draft
4.5 m
Call sign
WBO6539
IMO
8907151
Official No.
951441
AIS reports
1

FRONTIER SPIRIT is an American working fishing boat — 35.9 metres overall. FRONTIER SPIRIT has a beam measuring 9.3 metres and a 4.5 m draft. On AIS she shows as MMSI 366923450, call sign WBO6539, IMO 8907151. FRONTIER SPIRIT is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

Free forever · No credit card · for working captains

Know where the fleet is. Get FRONTIER SPIRIT 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 FRONTIER SPIRIT 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 FRONTIER SPIRIT 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 FRONTIER SPIRIT and switch it all on
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About FRONTIER SPIRIT

What kind of vessel is FRONTIER SPIRIT?
FRONTIER SPIRIT is a Commercial Fishing Vessel flagged to United States of America.
What is FRONTIER SPIRIT's MMSI?
FRONTIER SPIRIT's MMSI is 366923450. Call sign WBO6539. IMO 8907151.
How big is FRONTIER SPIRIT?
FRONTIER SPIRIT is about 35.9 m long, 9.3 m on the beam, drawing 4.5 m.
Is FRONTIER SPIRIT on the Master's Mate Safety Initiative Network?
Not yet. If FRONTIER SPIRIT is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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