# N171DM: Pdps Pzl-Bielsko SZD-55-1

- Status: Valid registration
- Airframe: [Pdps Pzl-Bielsko SZD-55-1](https://openairdocs.org/model/pdps-pzl-bielsko-szd-55-1) (registry code 8821644, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 551192032
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, racing
- Airworthiness date: June 2, 2005
- Certificate issued: July 8, 2021
- Expires: July 31, 2028
- Mode S code: A11D3B
- Registered owner: [Martin William F](https://openairdocs.org/faa-owner/MARTIN%20WILLIAM%20F)
- Location: [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio)
- Owner type: Individual
- Owner's area on the map: 29.4702° N, 98.7876° W: Placed by OpenAirDocs at the center of ZIP code 78253, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=171DM
- Page: https://openairdocs.org/aircraft/N171DM

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 (Pdps Pzl-Bielsko SZD-55-1)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N171DM.

## FAA accident and incident reports

None matched to N171DM.

## 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-55-1 aircraft: https://openairdocs.org/model/pdps-pzl-bielsko-szd-55-1/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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