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.
Industrial Vessel
A Shortfall of Gravitas
MMSI 368219910 · Call sign WDM5858
Not yet on Master's MateType
Industrial Vessel
Flag
USALength
91.5 m
Beam
30.5 m
Draft
6 m
Call sign
WDM5858
IMO
1158452
Official No.
1240683
AIS reports
3
A Shortfall of Gravitas is an American 91.5-metre working ship. Below, she has a 30.5-metre beam and a draft measuring 6 metres. Look for MMSI 368219910, call sign WDM5858, IMO 1158452. A Shortfall of Gravitas is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on A Shortfall of Gravitas, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever A Shortfall of Gravitas 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put A Shortfall of Gravitas 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim A Shortfall of Gravitas and switch it all on
Free to join · nothing to install to start · cancel anytime
About A Shortfall of Gravitas
What kind of vessel is A Shortfall of Gravitas?
A Shortfall of Gravitas is a Industrial Vessel flagged to United States of America.
What is A Shortfall of Gravitas's MMSI?
A Shortfall of Gravitas's MMSI is 368219910. Call sign WDM5858. IMO 1158452.
How big is A Shortfall of Gravitas?
A Shortfall of Gravitas is about 91.5 m long, 30.5 m on the beam, drawing 6 m.
Is A Shortfall of Gravitas on the Master's Mate Safety Initiative Network?
Not yet. If A Shortfall of Gravitas 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.