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
Stapleton Service
MMSI 366814530 · Call sign WDA4917
Not yet on Master's MateType
Towing Vessel
Flag
USALength
24 m
Beam
7.3 m
Draft
2.6 m
Call sign
WDA4917
IMO
6708472
Official No.
504920
AIS reports
1
Stapleton Service is a harbour workboat wearing American colours, 24 metres long. Below, she has a beam of 7.3 m and a draft of 2.6 m. On the registers she's MMSI 366814530, call sign WDA4917, IMO 6708472. Join Stapleton Service to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like Stapleton Service.
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 Stapleton Service 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 Stapleton Service 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 Stapleton Service and switch it all on
Free to join · nothing to install to start · cancel anytime
About Stapleton Service
What kind of vessel is Stapleton Service?
Stapleton Service is a Towing Vessel flagged to United States of America.
What is Stapleton Service's MMSI?
Stapleton Service's MMSI is 366814530. Call sign WDA4917. IMO 6708472.
How big is Stapleton Service?
Stapleton Service is about 24 m long, 7.3 m on the beam, drawing 2.6 m.
Is Stapleton Service on the Master's Mate Safety Initiative Network?
Not yet. If Stapleton Service 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.