HOWARD O. LORENZEN (IMO 9416680)
HOWARD O. LORENZEN is a Research Vessel built in 2011 and flying the United States of America flag, placing it in its 15th year of service. The vessel reports a deadweight tonnage of 4,130 metric tonnes and a gross tonnage of 17,420. This vessel is configured for specialized research operations. The vessel is classed by the American Bureau of Shipping, which is an IACS member. Recent observation data indicates the vessel has been active in the East Asia region. It has previously operated under one former flag and has been registered under two former names. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 12 April 2026.
- Type: Research Vessel
- Flag: United States of America
- Year built: 2011
- MMSI: 369998000
- Call sign: NLOR
- Gross tonnage: 17420
- Deadweight: 4130 t
- Length overall: 163 m
- Beam: 27 m
- Port State Control (PSC) inspections: 1 since 2026
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 12/04/2026
- Registered owner · Ship manager: UNITED STATES GOVT MSC (USA)
- ISM manager: CROWLEY GOVERNMENT SERVICES (USA)
- Last AIS position: 34°39.0′N · 139°7.0′E · Speed 15.2 kn · under way · received 9 October 2026 at 04:39 UTC
- Destination: To be nominated
- Arrival alert: rynda.io messages you by email or in Telegram when HOWARD O. LORENZEN arrives in port. Free for up to 3 vessels.
Frequently asked questions
What is the vessel type of HOWARD O. LORENZEN?
HOWARD O. LORENZEN is a Research Vessel. It was built in 2011 and is currently in its 15th year of service.
What are the tonnage specifications for this vessel?
The vessel has a gross tonnage of 17,420. It also reports a deadweight tonnage of 4,130 metric tonnes.
Which classification society maintains HOWARD O. LORENZEN?
The vessel is classed by the American Bureau of Shipping. This society is a recognized member of the International Association of Classification Societies (IACS).
What is the PSC inspection history for this vessel?
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with no deficiencies recorded. The most recent inspection was on 12 April 2026. All-time records show 1 inspection since 2026 and no detentions.
Has the vessel changed names or flags before?
Yes, the vessel has been registered under 2 former names. It has also operated under 1 previous flag state during its service history.
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