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
SENTRY SHIELD
MMSI 316005649
Not yet on Master's MateType
Towing
Flag
CANLength
2 m
Beam
2 m
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in Canada, SENTRY SHIELD is a 2-metre utility boat. On AIS she appears as MMSI 316005649. Claim SENTRY SHIELD free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like SENTRY SHIELD.
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
Live AIS position · Jun 9, 2026 06:37 UTC
Position
54.3136° N, 130.2585° W
Status
Towing astern
Speed
0.0 kn
Course
360°
Destination
RUPERT
Wherever SENTRY SHIELD 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 boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SENTRY SHIELD 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 SENTRY SHIELD and switch it all on
Free to join · nothing to install to start · cancel anytime
About SENTRY SHIELD
What kind of vessel is SENTRY SHIELD?
SENTRY SHIELD is a Towing flagged to Canada.
Where was SENTRY SHIELD last seen?
SENTRY SHIELD was last reported in around 54°N 130°W in Jun 2026 on public AIS.
What is SENTRY SHIELD's MMSI?
SENTRY SHIELD's MMSI is 316005649.
How big is SENTRY SHIELD?
SENTRY SHIELD is about 2 m long, 2 m on the beam.
Is SENTRY SHIELD on the Master's Mate Safety Initiative Network?
Not yet. If SENTRY SHIELD is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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