# N4287N: 1991 Johnson Harry T RANS S-12

- Status: Valid registration
- Airframe: [Johnson Harry T RANS S-12](https://openairdocs.org/model/johnson-harry-t-rans-s-12) (registry code 05618C3, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 0491067
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 23, 1991
- Certificate issued: February 22, 1996
- Expires: January 31, 2030
- Mode S code: A51CB1
- Registered owner: [Delgado Ortiz Jose E](https://openairdocs.org/faa-owner/DELGADO%20ORTIZ%20JOSE%20E)
- Location: San Lorenzo, PR, RQ
- Owner type: Individual
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4287N
- Page: https://openairdocs.org/aircraft/N4287N

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 (Johnson Harry T RANS S-12)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4287N.

## FAA accident and incident reports

None matched to N4287N.

## 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 N4287N

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4287N before.

- [Cancelled 1971-07-14](https://openairdocs.org/deregistered/N4287N-1971-07-14): Cessna 120, S/N 13758. Owner: [Schossow Frank W Jr](https://openairdocs.org/faa-owner/SCHOSSOW%20FRANK%20W%20JR)

## Related

- Other Johnson Harry T RANS S-12 aircraft: https://openairdocs.org/model/johnson-harry-t-rans-s-12/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
