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.
Dredging
HOL DEEP
MMSI 211116250 · Call sign DH6453
Not yet on Master's MateType
Dredging
Flag
DEULength
32 m
Beam
10 m
Draft
1.5 m
Call sign
DH6453
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
HOL DEEP flies the German flag — a 32-metre service vessel. She carries a 10-metre beam and a 1.5 m draft. Look for MMSI 211116250, call sign DH6453. It's free to add HOL DEEP 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 HOL DEEP.
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 12:19 UTC
Position
53.5679° N, 8.5609° E
Status
Under way (engine)
Speed
0.0 kn
Course
337°
Destination
SPUELARBEITEN
ETA
07-20 11:50 UTC
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Joining the Safety Initiative Network doesn't just put HOL DEEP 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 HOL DEEP and switch it all on
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About HOL DEEP
What kind of vessel is HOL DEEP?
HOL DEEP is a Dredging flagged to Germany.
Where was HOL DEEP last seen?
HOL DEEP was last reported in the North Sea in Jun 2026 on public AIS.
What is HOL DEEP's MMSI?
HOL DEEP's MMSI is 211116250. Call sign DH6453.
How big is HOL DEEP?
HOL DEEP is about 32 m long, 10 m on the beam, drawing 1.5 m.
Is HOL DEEP on the Master's Mate Safety Initiative Network?
Not yet. If HOL DEEP is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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