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.
Passenger (Inspected)
RP HEPLER
MMSI 366941450 · Call sign WDN7019
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
13.7 m
Beam
4.3 m
Draft
1.9 m
Call sign
WDN7019
Official No.
648130
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
RP HEPLER, an excursion vessel on the the United States registry, measures 13.7 metres on deck. RP HEPLER has a beam measuring 4.3 metres and a 1.9-metre draft. Look for MMSI 366941450, call sign WDN7019. Bring RP HEPLER aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard RP HEPLER safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 14:20 UTC
Position
29.8172° N, 93.9786° W
Status
Under way (engine)
Speed
0.0 kn
Course
360°
Sailing the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put RP HEPLER on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 RP HEPLER and switch it all on
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About RP HEPLER
What kind of vessel is RP HEPLER?
RP HEPLER is a Passenger (Inspected) flagged to United States of America.
Where was RP HEPLER last seen?
RP HEPLER was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is RP HEPLER's MMSI?
RP HEPLER's MMSI is 366941450. Call sign WDN7019.
How big is RP HEPLER?
RP HEPLER is about 13.7 m long, 4.3 m on the beam, drawing 1.9 m.
Is RP HEPLER on the Master's Mate Safety Initiative Network?
Not yet. If RP HEPLER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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