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
GREAT EASTERN
MMSI 538002221 · Call sign V7HF4
Not yet on Master's MateType
Tanker
Flag
MHLLength
182 m
Beam
27 m
Draft
7.9 m
Call sign
V7HF4
IMO
9298739
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
GREAT EASTERN is a tank vessel listed on the the Marshall Islands registry, 182 metres long. Her hull carries 27 metres in the beam and a draft of 7.9 m. Officially she's MMSI 538002221, call sign V7HF4, IMO 9298739. Claim GREAT EASTERN free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for commercial operators
Eyes on GREAT EASTERN, 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 4, 2026
Position
42.4275° N, 70.8145° W
Transiting the Gulf of Maine? 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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Joining the Safety Initiative Network doesn't just put GREAT EASTERN 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 GREAT EASTERN and switch it all on
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About GREAT EASTERN
What kind of vessel is GREAT EASTERN?
GREAT EASTERN is a Tanker flagged to Marshall Islands.
Where was GREAT EASTERN last seen?
GREAT EASTERN was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is GREAT EASTERN's MMSI?
GREAT EASTERN's MMSI is 538002221. Call sign V7HF4. IMO 9298739.
How big is GREAT EASTERN?
GREAT EASTERN is about 182 m long, 27 m on the beam, drawing 7.9 m.
Is GREAT EASTERN on the Master's Mate Safety Initiative Network?
Not yet. If GREAT EASTERN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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