TheMaritime.net
Dry Bulk Freight Index2,490 -1.3%Capesize3,538 -2.8%Panamax2,124 +0.7%Dirty Tanker Index1,935 +1.1%Supramax1,668 -0.1%Clean Tanker Index1,280 -1.4%Handysize947 +0.2%Dry Bulk Freight Index2,490 -1.3%Capesize3,538 -2.8%Panamax2,124 +0.7%Dirty Tanker Index1,935 +1.1%Supramax1,668 -0.1%Clean Tanker Index1,280 -1.4%Handysize947 +0.2%Dry Bulk Freight Index2,490 -1.3%Capesize3,538 -2.8%Panamax2,124 +0.7%Dirty Tanker Index1,935 +1.1%Supramax1,668 -0.1%Clean Tanker Index1,280 -1.4%Handysize947 +0.2%Dry Bulk Freight Index2,490 -1.3%Capesize3,538 -2.8%Panamax2,124 +0.7%Dirty Tanker Index1,935 +1.1%Supramax1,668 -0.1%Clean Tanker Index1,280 -1.4%Handysize947 +0.2%Dry Bulk Freight Index2,490 -1.3%Capesize3,538 -2.8%Panamax2,124 +0.7%Dirty Tanker Index1,935 +1.1%Supramax1,668 -0.1%Clean Tanker Index1,280 -1.4%Handysize947 +0.2%Dry Bulk Freight Index2,490 -1.3%Capesize3,538 -2.8%Panamax2,124 +0.7%Dirty Tanker Index1,935 +1.1%Supramax1,668 -0.1%Clean Tanker Index1,280 -1.4%Handysize947 +0.2%
General Cargo🇯🇵 JapanActive

SEISHO MARU

IMO
9790529
MMSI
431005903
Call Sign
JD3766

Technical Specifications

Key Figures

Gross Tonnage
499GT
Deadweight
1,600DWT
Length Overall
75m
Beam
12m
Draught
4.5m
Year Built
2014

Live Tracking

Current Position

Live AIS · 6 d ago
Track · last 18 h
Position
35.446°N · 139.687°E
Speed
11.5 kn
Course
124°
Status
Under way using engine
Destination JP YOK>JP YOK DETA Jun 25, 02:00 PMPart-laden · 3.6 m

Where it waited most

Most time stopped at Port of Yokohama 14 h across 1 stay.

  1. 1

Derived from the AIS track — runs of near-zero speed (anchored, moored or drifting) snapped to the nearest port. Builds up as we observe the vessel.

Intelligence

Risk & Sustainability

Risk scoreLow
84/ 100
Safety78
Compliance95
Environment78
Recent port calls

AIS-derived from our live feed.

Operational Status

Activity

Under wayLow confidenceFix 4 days ago

Making way at sea speed on its latest broadcast.

Speed
11.5 kn
Nav status
Under way using engine
Last broadcast
4 days ago
Hull age
12 yr

Read from the single most-recent AIS broadcast we hold for this hull — we keep no position history, so this is a point-in-time posture, not a dwell inference. Derived in-house from our own AIS feed; weight it by the broadcast age above.

Composite Risk

Risk Score

17/100
Low riskLow confidence40% component coverage

No strong adverse signal on the components we could read for this hull.

PSC detentionsno data
Sanctions exposureno data
Dark-fleet signalno data
Hull age28
Flag register0

A coverage-weighted blend of the 2 components we could read for this hull — the weights renormalise over only the components present, so a thin read is never inflated and a hull is never credited a “safe 0” for a signal it has no row for. This headline is flagged low-confidence (a thin or structural-only read) and should not be treated as a verdict. Higher means riskier. Derived in-house from government-open port-State-control, flag, sanctions and our own vessel data; weight it by the coverage above.

Estimated

Capacity & Classification

Cargo capacity at draughtHigh confidence
~1,600t at summer draught

Other · summer draught 4.5 m · 5.8 t per cm immersion

Estimated intake by draught
3.15 m~811 t
3.38 m~943 t
3.6 m~1,074 t
3.82 m~1,206 t
4.05 m~1,337 t
4.27 m~1,469 t
4.5 m~1,600 t

Estimate only — modelled from deadweight (hull geometry) using a first-principles hydrostatic model, not measured hydrostatic tables. The design draught it is anchored to is unreliable across the fleet.

Commercial

Voyage Estimate

From 1,600 DWT · ~9 t/day · bunker @ live VLSFO.

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