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.
Tanker
CHEMICAL CHALLENGER
MMSI 256160000 · Call sign 9HA5719
Not yet on Master's MateType
Tanker
Flag
MLTLength
134 m
Beam
21 m
Draft
9.5 m
Call sign
9HA5719
IMO
9743758
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
25
A Maltese tank ship, CHEMICAL CHALLENGER measures 134 metres. She has a beam of 21 m and a draft of 9.5 m. On AIS she shows as MMSI 256160000, call sign 9HA5719, IMO 9743758. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — CHEMICAL CHALLENGER included.
Free forever · No credit card · for commercial operators
Eyes on CHEMICAL CHALLENGER, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 2, 2026
Position
38.7624° N, 0.6870° E
Transiting the Western Mediterranean? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CHEMICAL CHALLENGER on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 CHEMICAL CHALLENGER and switch it all on
Free to join · nothing to install to start · cancel anytime
About CHEMICAL CHALLENGER
What kind of vessel is CHEMICAL CHALLENGER?
CHEMICAL CHALLENGER is a Tanker flagged to Malta.
Where was CHEMICAL CHALLENGER last seen?
CHEMICAL CHALLENGER was last reported in the Western Mediterranean in Jun 2026 on public AIS.
What is CHEMICAL CHALLENGER's MMSI?
CHEMICAL CHALLENGER's MMSI is 256160000. Call sign 9HA5719. IMO 9743758.
How big is CHEMICAL CHALLENGER?
CHEMICAL CHALLENGER is about 134 m long, 21 m on the beam, drawing 9.5 m.
Is CHEMICAL CHALLENGER on the Master's Mate Safety Initiative Network?
Not yet. If CHEMICAL CHALLENGER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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