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 Vessel
Gerald Shreve
MMSI 367143690 · Call sign WDD4357
Not yet on Master's MateType
Towing Vessel
Flag
USALength
36.8 m
Beam
13.4 m
Draft
3 m
Call sign
WDD4357
Official No.
628776
AIS reports
1
Gerald Shreve is an American harbour workboat — 36.8 metres overall. Her hull carries a beam measuring 13.4 metres and a draft of 3 m. Find her under MMSI 367143690, call sign WDD4357. Gerald Shreve belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for working boats
Built for boats that work — like Gerald Shreve.
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
Wherever Gerald Shreve 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 Gerald Shreve 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 Gerald Shreve and switch it all on
Free to join · nothing to install to start · cancel anytime
About Gerald Shreve
What kind of vessel is Gerald Shreve?
Gerald Shreve is a Towing Vessel flagged to United States of America.
What is Gerald Shreve's MMSI?
Gerald Shreve's MMSI is 367143690. Call sign WDD4357.
How big is Gerald Shreve?
Gerald Shreve is about 36.8 m long, 13.4 m on the beam, drawing 3 m.
Is Gerald Shreve on the Master's Mate Safety Initiative Network?
Not yet. If Gerald Shreve 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.