# N843D: Underwood Timothy Ray TRV-6

- Status: Valid registration
- Airframe: [Underwood Timothy Ray TRV-6](https://openairdocs.org/model/underwood-timothy-ray-trv-6) (registry code 05604PN, 2 seats)
- Engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511)
- Serial number: 01
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 8, 1998
- Certificate issued: September 8, 2022
- Expires: September 30, 2029
- Mode S code: AB8B49
- Registered owners: [Thomas James R](https://openairdocs.org/faa-owner/THOMAS%20JAMES%20R), [Thomas Judson R](https://openairdocs.org/faa-owner/THOMAS%20JUDSON%20R)
- Location: [Livermore, CA](https://openairdocs.org/faa-place/CA/Livermore)
- Owner type: Partnership
- Owner's area on the map: 37.7505° N, 121.7492° W: Placed by OpenAirDocs at the center of ZIP code 94551, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=843D
- Page: https://openairdocs.org/aircraft/N843D

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Underwood Timothy Ray TRV-6)

None in force.

### Matched by engine (Lycoming I0360 SER A&C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N843D.

## FAA accident and incident reports

None matched to N843D.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N843D

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N843D before.

- [Cancelled 1965-05-18](https://openairdocs.org/deregistered/N843D-1965-05-18): Douglas DC-7B, S/N 45449. Owner: [Bellomy Aviation Inc](https://openairdocs.org/faa-owner/BELLOMY%20AVIATION%20INC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)

## Related

- Other Underwood Timothy Ray TRV-6 aircraft: https://openairdocs.org/model/underwood-timothy-ray-trv-6/aircraft.md
- The Lycoming I0360 SER A&C engine: https://openairdocs.org/engine/lycoming-i0360-ser-a-c.md

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