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.
Recreational
GROWLTIGER
MMSI 367317290 · Call sign WCX8757
Not yet on Master's MateType
Recreational
Flag
USALength
15.7 m
Beam
4.6 m
Draft
2.9 m
Call sign
WCX8757
Official No.
598375
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
22
GROWLTIGER, a cruising boat listed on the the United States registry, measures 15.7 metres on deck. GROWLTIGER has a beam measuring 4.6 metres and a 2.9 m draft. She's on record as MMSI 367317290, call sign WCX8757. Claim GROWLTIGER free and let the Master's Mate Safety Initiative Network keep an eye on her, on the water or off.
Free forever · No credit card · for recreational captains
Keep GROWLTIGER looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 2, 2026
Position
37.0562° N, 76.2869° W
Cruising Chesapeake Bay? 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GROWLTIGER on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim GROWLTIGER and switch it all on
Free to join · nothing to install to start · cancel anytime
About GROWLTIGER
What kind of vessel is GROWLTIGER?
GROWLTIGER is a Recreational flagged to United States of America.
Where was GROWLTIGER last seen?
GROWLTIGER was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is GROWLTIGER's MMSI?
GROWLTIGER's MMSI is 367317290. Call sign WCX8757.
How big is GROWLTIGER?
GROWLTIGER is about 15.7 m long, 4.6 m on the beam, drawing 2.9 m.
Is GROWLTIGER on the Master's Mate Safety Initiative Network?
Not yet. If GROWLTIGER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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