AMERICAN CHALLENGER (IMO 7420479)
AMERICAN CHALLENGER is a Tug built in 1975 and flying the United States of America flag, placing it in its 51st year of service. The vessel reports a gross tonnage of 342 and a deadweight tonnage of 0. This vessel is configured for specialized towing and support operations. AMERICAN CHALLENGER is classed by the American Bureau of Shipping, which is an IACS member. The vessel has been observed in the New Guinea Pacific and the North America West Coast regions. It has previously operated under one former name and one former flag. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 7 April 2026.
- Type: Tug
- Flag: United States of America
- Year built: 1975
- MMSI: 366873510
- Call sign: WDN7328
- Gross tonnage: 342
- Deadweight: 0 t
- Length overall: 31 m
- Beam: 9 m
- Port State Control (PSC) inspections: 1 since 2026
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 07/04/2026
- Registered owner: AMERICAN WORKBOATS INC (USA)
- Ship manager: AMERICAN MARINE CORP (USA)
- Last AIS position: 13°27.7′N · 144°39.9′E · Speed 9.7 kn · received 18 July 2026 at 23:57 UTC
- Destination: APRA HARBOR
- Arrival alert: rynda.io messages you by email or in Telegram when AMERICAN CHALLENGER arrives in port. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type and age of AMERICAN CHALLENGER?
AMERICAN CHALLENGER is a Tug built in 1975. It is currently in its 51st year of service.
What are the dimensions and tonnage of the vessel?
The vessel has a gross tonnage of 342. There is no deadweight tonnage or length overall recorded in the provided data.
Which classification society covers AMERICAN CHALLENGER?
The vessel is classed by the American Bureau of Shipping. This society is a recognized member of the International Association of Classification Societies (IACS).
Where has the vessel been recently observed?
The vessel has been observed in the New Guinea Pacific and the North America West Coast. These regions represent its most recent recorded geographic activity.
How many PSC inspections has the vessel undergone?
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with 6 deficiencies recorded. The most recent inspection was on 7 April 2026. All-time records show 1 inspection since 2026 and no detentions.
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