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.
Tug
RAINBOW
MMSI 367015670 · Call sign WDC3878
Not yet on Master's MateType
Tug
Flag
USALength
29 m
Beam
10 m
Draft
4 m
Call sign
WDC3878
IMO
8987345
Official No.
1163629
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
RAINBOW is an American harbour tug, 29 metres LOA. Below, she has a 10 m beam and a draft of 4 m. On the registers she's MMSI 367015670, call sign WDC3878, IMO 8987345. Give RAINBOW the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like RAINBOW.
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
Live AIS position · Jun 9, 2026 05:35 UTC
Position
41.7908° N, 71.3814° W
Status
Under way (engine)
Speed
0.0 kn
Course
192°
Destination
DAVISVILLE
ETA
06-02 17:00 UTC
Working off the U.S. East Coast? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put RAINBOW 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 RAINBOW and switch it all on
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About RAINBOW
What kind of vessel is RAINBOW?
RAINBOW is a Tug flagged to United States of America.
Where was RAINBOW last seen?
RAINBOW was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is RAINBOW's MMSI?
RAINBOW's MMSI is 367015670. Call sign WDC3878. IMO 8987345.
How big is RAINBOW?
RAINBOW is about 29 m long, 10 m on the beam, drawing 4 m.
Is RAINBOW on the Master's Mate Safety Initiative Network?
Not yet. If RAINBOW is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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