# N31LT: Troy Zawlacki RANS S-21

- Status: Valid registration
- Airframe: [Troy Zawlacki RANS S-21](https://openairdocs.org/model/troy-zawlacki-rans-s-21) (registry code 056422P, 2 seats)
- Serial number: 12210229
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Rans Designs Inc S-21 OUTBOUND
- Certificate issued: May 15, 2025
- Expires: May 31, 2032
- Mode S code: A34584
- Registered owner: [Zawlacki Troy](https://openairdocs.org/faa-owner/ZAWLACKI%20TROY)
- Location: [Cupertino, CA](https://openairdocs.org/faa-place/CA/Cupertino)
- Owner type: Individual
- Owner's area on the map: 37.3094° N, 122.0884° W: Placed by OpenAirDocs at the center of ZIP code 95014, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31LT
- Page: https://openairdocs.org/aircraft/N31LT

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 (Troy Zawlacki RANS S-21)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N31LT.

## FAA accident and incident reports

None matched to N31LT.

## 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 N31LT

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N31LT before.

- [Cancelled 2018-03-05](https://openairdocs.org/deregistered/N31LT-2018-03-05): Dassault/Sud FAN JET FALCON, S/N 69, built 1966. Registration expired, pending cancellation. Owner: [March Aviation Inc](https://openairdocs.org/faa-owner/MARCH%20AVIATION%20INC), [Naples, FL](https://openairdocs.org/faa-place/FL/Naples)

## Related

- Other Troy Zawlacki RANS S-21 aircraft: https://openairdocs.org/model/troy-zawlacki-rans-s-21/aircraft.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.
