# N99809: 1975 Sportavia Putzer RF5B SPERBER

- Status: Valid registration
- Airframe: [Sportavia Putzer RF5B SPERBER](https://openairdocs.org/model/sportavia-putzer-rf5b-sperber) (registry code 8451016, 2 seats)
- Engine: [Limbach 1700E](https://openairdocs.org/engine/limbach-1700e) (registry code 38602)
- Serial number: 51060
- Year built: 1975
- Type: Glider
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built, exhibition
- Airworthiness date: May 18, 1978
- Certificate issued: August 4, 2025
- Expires: August 31, 2032
- Mode S code: ADF2D5
- Registered owner: [N99809 LLC](https://openairdocs.org/faa-owner/N99809%20LLC)
- Location: [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)
- Owner type: LLC
- Owner's area on the map: 40.0251° N, 105.3487° W: Placed by OpenAirDocs at the center of ZIP code 80302, 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=99809
- Page: https://openairdocs.org/aircraft/N99809

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 (Sportavia Putzer RF5B SPERBER)

None in force.

### Matched by engine (Limbach 1700E)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N99809.

## FAA accident and incident reports

None matched to N99809.

## 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 Sportavia Putzer RF5B SPERBER aircraft: https://openairdocs.org/model/sportavia-putzer-rf5b-sperber/aircraft.md
- The Limbach 1700E engine: https://openairdocs.org/engine/limbach-1700e.md

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