# N656MM: 1993 Pdps Pzl-Bielsko SZD-56 DIANA

- Status: Valid registration
- Airframe: [Pdps Pzl-Bielsko SZD-56 DIANA](https://openairdocs.org/model/pdps-pzl-bielsko-szd-56-diana) (registry code 8821660, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: X151
- Year built: 1993
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, racing
- Airworthiness date: May 21, 2002
- Certificate issued: April 13, 2023
- Expires: April 30, 2030
- Mode S code: A8A423
- Registered owner: [Chastain Gregory T](https://openairdocs.org/faa-owner/CHASTAIN%20GREGORY%20T)
- Location: [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian)
- Owner type: Individual
- Owner's area on the map: 32.4682° N, 96.9907° W: Placed by OpenAirDocs at the center of ZIP code 76065, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=656MM
- Page: https://openairdocs.org/aircraft/N656MM

From the FAA registry file of October 22, 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 (Pdps Pzl-Bielsko SZD-56 DIANA)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N656MM.

## FAA accident and incident reports

None matched to N656MM.

## 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 Pdps Pzl-Bielsko SZD-56 DIANA aircraft: https://openairdocs.org/model/pdps-pzl-bielsko-szd-56-diana/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.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.