DEFIANCE (IMO 8109761)
DEFIANCE is a Pusher Tug built in 1982 and flying the United States of America flag, placing it in its 44th year of service. The vessel reports a deadweight tonnage of 661 metric tonnes and a gross tonnage of 871. This vessel is configured for specialized pushing operations within its service class. DEFIANCE is classed by the American Bureau of Shipping, which is a member of the International Association of Classification Societies. The vessel has been observed operating in the North America East Coast region. It has previously operated under one former name and one former flag. Over the last 36 months it has had 5 port state control (PSC) inspections and no detentions. The most recent inspection was on 28 July 2026.
- Type: Pusher Tug
- Flag: United States of America
- Year built: 1982
- MMSI: 367511590
- Call sign: WDE2536
- Gross tonnage: 871
- Deadweight: 661 t
- Port State Control (PSC) inspections: 6 since 2012
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 28/07/2026
- Registered owner · Ship manager: GRAND RIVER NAVIGATION CO INC (USA)
- Last AIS position: 44°57.7′N · 083°14.5′W · Speed 10.6 kn · under way · received 11 October 2026 at 16:51 UTC
- Destination: To be nominated
- Arrival alert: rynda.io messages you by email or in Telegram when DEFIANCE arrives in port. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type of DEFIANCE?
DEFIANCE is a Pusher Tug. It was built in 1982 and is currently in its 44th year of service.
What are the tonnage specifications for DEFIANCE?
The vessel has a gross tonnage of 871. It also reports a deadweight tonnage of 661 metric tonnes.
Which classification society manages DEFIANCE?
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 DEFIANCE been operating recently?
The vessel has been observed in the North America East Coast region. This area represents its most recent recorded geographic activity.
What is the PSC inspection history for DEFIANCE?
Over the last 36 months it has had 5 port state control (PSC) inspections and no detentions, with no deficiencies recorded. The most recent inspection was on 28 July 2026. All-time records show 6 inspections since 2012 and no detentions.
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