JOHN HENRY (IMO 8978174)
JOHN HENRY is a Utility Vessel built in 1980 and flying the United States of America flag, placing it in its 46th year of service. The vessel reports a deadweight tonnage of 202 metric tonnes, a gross tonnage of 208, and a length overall of 33 metres. Given its dimensions and type, it is configured for specialized utility operations. The vessel is classed by Other, which is not an IACS member. It has been observed operating in the North America West Coast region. The vessel has no recorded former names or previous flag changes. Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions. The most recent inspection was on 27 May 2026.
- Type: Utility Vessel
- Flag: United States of America
- Year built: 1980
- MMSI: 367647270
- Call sign: WDH7347
- Gross tonnage: 208
- Deadweight: 202 t
- Length overall: 33 m
- Beam: 8 m
- Port State Control (PSC) inspections: 1 since 2026
- PSC detentions in the last 36 months: 0
- Last PSC inspection: 27/05/2026
- Registered owner: GROUNDTACKLE HOLDINGS LLC (USA)
- Ship manager: SO CAL SHIP SERVICES (USA)
- Last AIS position: 32°43.3′N · 117°13.6′W · Speed 0.0 kn · under way · received 10 October 2026 at 09:41 UTC
- Destination: San Diego (US SAN)
Frequently asked questions
What is the vessel type and age of JOHN HENRY?
JOHN HENRY is a Utility Vessel built in 1980. It is currently in its 46th year of service.
What are the dimensions of JOHN HENRY?
The vessel has a length overall of 33 metres. It also features a beam of 8 metres.
What is the tonnage capacity of the vessel?
The vessel reports a deadweight tonnage of 202 metric tonnes. Its gross tonnage is recorded at 208.
Where has JOHN HENRY been operating recently?
The vessel has been observed in the North America West Coast region. This is the primary geographic area listed in its recent activity.
How many PSC inspections has the vessel had?
Over the last 36 months it has had 1 port state control (PSC) inspection and no detentions, with 2 deficiencies recorded. The most recent inspection was on 27 May 2026. All-time records show 1 inspection since 2026 and no detentions.
Live AIS via Rynda — combined with classification, PSC, sanctions and ownership data.