# N522SF: 2013 Jerald L Folkerts CYGNET SF-2A

- Status: Valid registration
- Airframe: [Jerald L Folkerts CYGNET SF-2A](https://openairdocs.org/model/jerald-l-folkerts-cygnet-sf-2a) (registry code 056313C, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 372
- Year built: 2013
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 5, 2013
- Certificate issued: May 30, 2017
- Expires: May 31, 2027
- Mode S code: A691F2
- Registered owner: [Sweet Harold A](https://openairdocs.org/faa-owner/SWEET%20HAROLD%20A)
- Location: [Pawnee, IL](https://openairdocs.org/faa-place/IL/Pawnee)
- Owner type: Individual
- Owner's area on the map: 39.5867° N, 89.5499° W: Placed by OpenAirDocs at the center of ZIP code 62558, 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=522SF
- Page: https://openairdocs.org/aircraft/N522SF

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 (Jerald L Folkerts CYGNET SF-2A)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N522SF.

## FAA accident and incident reports

None matched to N522SF.

## 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.

## Related

- Other Jerald L Folkerts CYGNET SF-2A aircraft: https://openairdocs.org/model/jerald-l-folkerts-cygnet-sf-2a/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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