# N9900X: 1988 S C Aerostar S A YAK-52

- Status: Valid registration
- Airframe: [S C Aerostar S A YAK-52](https://openairdocs.org/model/s-c-aerostar-s-a-yak-52) (registry code 1140000, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 888509
- Year built: 1988
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: January 22, 2003
- Certificate issued: December 9, 2003
- Expires: January 31, 2029
- Mode S code: ADD511
- Registered owner: [Johnson Steve A](https://openairdocs.org/faa-owner/JOHNSON%20STEVE%20A)
- Location: [Leominster, MA](https://openairdocs.org/faa-place/MA/Leominster)
- Owner type: Individual
- Owner's area on the map: 42.5200° N, 71.7633° W: Placed by OpenAirDocs at the center of ZIP code 01453, 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=9900X
- Page: https://openairdocs.org/aircraft/N9900X

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 (S C Aerostar S A YAK-52)

None in force.

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

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-13-17](https://openairdocs.org/saib/CE-13-17): Flight Controls; Restricted elevator control system. Issued Feb 28, 2013

## NTSB investigations

None matched to N9900X.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20070128001489I](https://openairdocs.org/incident/20070128001489I), Jan 28, 2007: Yaklev YAK52 (N9900X), Orange, MA, Minor damage. (-23) While on approach to landing at Orange Municipal Airport (kore), the pilot [privacy data omitted] entered a left downwind for landing on runway 32. When…

## 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 N9900X

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9900X before.

- [Cancelled 1973-06-25](https://openairdocs.org/deregistered/N9900X-1973-06-25): Cessna 320F, S/N 320F0044. Owner: [Starr Wayne R](https://openairdocs.org/faa-owner/STARR%20WAYNE%20R), [Hiawatha, KS](https://openairdocs.org/faa-place/KS/Hiawatha)

## Related

- Other S C Aerostar S A YAK-52 aircraft: https://openairdocs.org/model/s-c-aerostar-s-a-yak-52/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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