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.
Offshore Supply Vessel
Harvey Heat
MMSI 367458710 · Call sign WDH2188
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
61 m
Beam
14.6 m
Draft
4.9 m
Call sign
WDH2188
IMO
9591650
Official No.
1226851
AIS reports
4
Harvey Heat is an American service vessel, measuring 61 metres. She carries a 14.6-metre beam and a 4.9 m draft. Her papers read MMSI 367458710, call sign WDH2188, IMO 9591650. It's free to add Harvey Heat to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like Harvey Heat.
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 Harvey Heat 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 Harvey Heat 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 Harvey Heat and switch it all on
Free to join · nothing to install to start · cancel anytime
About Harvey Heat
What kind of vessel is Harvey Heat?
Harvey Heat is a Offshore Supply Vessel flagged to United States of America.
What is Harvey Heat's MMSI?
Harvey Heat's MMSI is 367458710. Call sign WDH2188. IMO 9591650.
How big is Harvey Heat?
Harvey Heat is about 61 m long, 14.6 m on the beam, drawing 4.9 m.
Is Harvey Heat on the Master's Mate Safety Initiative Network?
Not yet. If Harvey Heat 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.