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.
Fishing Tender
SPT PROTECTOR
MMSI 367058853 · Call sign WDC6637
Not yet on Master's MateType
Fishing Tender
Flag
USALength
50.7 m
Beam
12.2 m
Draft
4.3 m
Call sign
WDC6637
IMO
7643679
Official No.
579571
AIS reports
1
Registered in the United States, SPT PROTECTOR is a 50.7-metre fishing boat. Her hull carries a beam of 12.2 m and a draft of 4.3 m. Look for MMSI 367058853, call sign WDC6637, IMO 7643679. SPT PROTECTOR can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working captains
Know where the fleet is. Get SPT PROTECTOR 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 SPT PROTECTOR 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 SPT PROTECTOR 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 SPT PROTECTOR and switch it all on
Free to join · nothing to install to start · cancel anytime
About SPT PROTECTOR
What kind of vessel is SPT PROTECTOR?
SPT PROTECTOR is a Fishing Tender flagged to United States of America.
What is SPT PROTECTOR's MMSI?
SPT PROTECTOR's MMSI is 367058853. Call sign WDC6637. IMO 7643679.
How big is SPT PROTECTOR?
SPT PROTECTOR is about 50.7 m long, 12.2 m on the beam, drawing 4.3 m.
Is SPT PROTECTOR on the Master's Mate Safety Initiative Network?
Not yet. If SPT PROTECTOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.