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SS Diamond State

Crane vessel · built 1962

IMO5170185No AIS position on record

In short

SS Diamond State (Crane vessel) has no AIS position on record with Voydar.

Vessel type
Crane vessel
Flag
—
Year built
1962
Gross tonnage
—
Size (length × beam)
204 m
Registered owner
—

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Photo of SS Diamond State
Photo: Unknown authorUnknown author · Licence: Public domain · via Wikimedia Commons

Last reported position

No AIS position on record for this vessel. Identity and particulars are below.

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Identity & particulars

Name
SS Diamond State
IMO numberWhat is an IMO number?
5170185
Flag
—
Vessel type
Crane vessel
Length overall
203.6 m
Beam
—
Year built
1962

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Operator
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Builder
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

About SS Diamond State

SS Diamond State (T-ACS-7) is a crane ship in the National Defense Reserve Fleet (NRDF) for the United States Navy. The ship was named for the state of Delaware, which is also known as the "Diamond State". The ship was initially a bulk freighter named SS Japan Mail when launched in 1961 and entered service in 1962 with the American Mail Line. In 1971, the ship was lengthened and renamed SS President Truman. In 1987, the vessel was taken over by MARAD and converted to a crane ship and in 1989, renamed Diamond State.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is SS Diamond State now?
Voydar has no displayable AIS position for SS Diamond State in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is SS Diamond State?
SS Diamond State is a crane vessel, built in 1962 by Todd Pacific Shipyards, Los Angeles Division. The vessel is 203.6 m long.
What sanctions and inspection records does Voydar hold for SS Diamond State?
Voydar has no matched sanctions record displayed for SS Diamond State from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for SS Diamond State. Missing records do not establish whether the ship has been detained.

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